A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this vulnerability is to system availability.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted     file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this     vulnerability is to system availability. (CVE-2021-20304)

Note that Nessus relies on the presence of the package as reported by the vendor.

The version of OpenEXR installed on the remote host is prior to 1.7.1-8. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2023-2078 advisory.

    A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to     be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this     vulnerability is to system availability. (CVE-2021-20298)

    A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit     a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds     write on the heap. The greatest impact of this flaw is to application availability, with some potential     impact to data integrity as well. (CVE-2021-20303)

    A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted     file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this     vulnerability is to system availability. (CVE-2021-20304)

    There is a flaw in OpenEXR in versions before 3.0.0-beta. An attacker who can submit a crafted file to be     processed by OpenEXR could cause an integer overflow, potentially leading to problems with application     availability. (CVE-2021-3475)

    There's a flaw in OpenEXR's rleUncompress functionality in versions prior to 3.0.5. An attacker who is     able to submit a crafted file to an application linked with OpenEXR could cause an out-of-bounds read. The     greatest risk from this flaw is to application availability. (CVE-2021-3605)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2023-022 advisory.

    2024-02-15: CVE-2021-20304 was added to this advisory.

    A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted     file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this     vulnerability is to system availability. (CVE-2021-20304)

    An integer overflow could occur when OpenEXR processes a crafted file on systems where size_t is less than     64 bits. This issue could cause an invalid bytesPerLine and maxBytesPerLine value, which leads to problems     with application stability or other attack paths. (CVE-2021-3933)

    In ImfChromaticities.cpp routine RGBtoXYZ(), there are some division operations such as `float Z = (1 -     chroma.white.x - chroma.white.y) * Y / chroma.white.y;` and `chroma.green.y * (X + Z))) / d;` but the     divisor is not checked for a 0 value. A specially crafted file could trigger a divide-by-zero condition     which could affect the availability of programs linked with OpenEXR. (CVE-2021-3941)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote host is affected by the vulnerability described in GLSA-202210-31 (OpenEXR: Multiple Vulnerabilities)

  - A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted     file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this     vulnerability is to system availability. (CVE-2021-20304)

  - A heap-buffer overflow was found in the copyIntoFrameBuffer function of OpenEXR in versions before 3.0.1.
    An attacker could use this flaw to execute arbitrary code with the permissions of the user running the     application compiled against OpenEXR. (CVE-2021-23169)

  - There's a flaw in OpenEXR's ImfDeepScanLineInputFile functionality in versions prior to 3.0.5. An attacker     who is able to submit a crafted file to an application linked with OpenEXR could cause an out-of-bounds     read. The greatest risk from this flaw is to application availability. (CVE-2021-3598)

  - There's a flaw in OpenEXR's rleUncompress functionality in versions prior to 3.0.5. An attacker who is     able to submit a crafted file to an application linked with OpenEXR could cause an out-of-bounds read. The     greatest risk from this flaw is to application availability. (CVE-2021-3605)

  - An integer overflow could occur when OpenEXR processes a crafted file on systems where size_t < 64 bits.
    This could cause an invalid bytesPerLine and maxBytesPerLine value, which could lead to problems with     application stability or lead to other attack paths. (CVE-2021-3933)

  - In ImfChromaticities.cpp routine RGBtoXYZ(), there are some division operations such as `float Z = (1 -     chroma.white.x - chroma.white.y) * Y / chroma.white.y;` and `chroma.green.y * (X + Z))) / d;` but the     divisor is not checked for a 0 value. A specially crafted file could trigger a divide-by-zero condition     which could affect the availability of programs linked with OpenEXR. (CVE-2021-3941)

  - OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called     from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE:
    db217f2 may be inapplicable. (CVE-2021-45942)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:14846-1 advisory.

  - A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to     be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this     vulnerability is to system availability. (CVE-2021-20298)

  - A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows     an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow.
    The highest threat from this vulnerability is to system availability. (CVE-2021-20300)

  - A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit     a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds     write on the heap. The greatest impact of this flaw is to application availability, with some potential     impact to data integrity as well. (CVE-2021-20303)

  - A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted     file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this     vulnerability is to system availability. (CVE-2021-20304)

  - In ImfChromaticities.cpp routine RGBtoXYZ(), there are some division operations such as `float Z = (1 -     chroma.white.x - chroma.white.y) * Y / chroma.white.y;` and `chroma.green.y * (X + Z))) / d;` but the     divisor is not checked for a 0 value. A specially crafted file could trigger a divide-by-zero condition     which could affect the availability of programs linked with OpenEXR. (CVE-2021-3941)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

According to the versions of the OpenEXR package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit     a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds     write on the heap. The greatest impact of this flaw is to application availability, with some potential     impact to data integrity as well. (CVE-2021-20303)

  - A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to     be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this     vulnerability is to system availability. (CVE-2021-20298)

  - A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted     file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this     vulnerability is to system availability. (CVE-2021-20304)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the OpenEXR package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit     a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds     write on the heap. The greatest impact of this flaw is to application availability, with some potential     impact to data integrity as well. (CVE-2021-20303)

  - A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to     be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this     vulnerability is to system availability. (CVE-2021-20298)

  - A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no     actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to     system availability. (CVE-2021-20299)

  - A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted     file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this     vulnerability is to system availability. (CVE-2021-20304)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote SUSE Linux SLED12 / SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2913-1 advisory.

  - A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to     be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this     vulnerability is to system availability. (CVE-2021-20298)

  - A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no     actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to     system availability. (CVE-2021-20299)

  - A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows     an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow.
    The highest threat from this vulnerability is to system availability. (CVE-2021-20300)

  - A flaw was found in OpenEXR's TiledInputFile functionality. This flaw allows an attacker who can submit a     crafted single-part non-image to be processed by OpenEXR, to trigger a floating-point exception error. The     highest threat from this vulnerability is to system availability. (CVE-2021-20302)

  - A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit     a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds     write on the heap. The greatest impact of this flaw is to application availability, with some potential     impact to data integrity as well. (CVE-2021-20303)

  - A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted     file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this     vulnerability is to system availability. (CVE-2021-20304)

  - A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker     who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting     application availability. (CVE-2021-3476)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:1198-1 advisory.

  - A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit     a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds     write on the heap. The greatest impact of this flaw is to application availability, with some potential     impact to data integrity as well. (CVE-2021-20303)

  - A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker     who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting     application availability. (CVE-2021-3476)

  - A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no     actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to     system availability. (CVE-2021-20299)

  - A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows     an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow.
    The highest threat from this vulnerability is to system availability. (CVE-2021-20300)

  - A flaw was found in OpenEXR's TiledInputFile functionality. This flaw allows an attacker who can submit a     crafted single-part non-image to be processed by OpenEXR, to trigger a floating-point exception error. The     highest threat from this vulnerability is to system availability. (CVE-2021-20302)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:2793-1 advisory.

  - A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit     a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds     write on the heap. The greatest impact of this flaw is to application availability, with some potential     impact to data integrity as well. (CVE-2021-20303)

  - A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker     who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting     application availability. (CVE-2021-3476)

  - A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no     actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to     system availability. (CVE-2021-20299)

  - A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows     an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow.
    The highest threat from this vulnerability is to system availability. (CVE-2021-20300)

  - A flaw was found in OpenEXR's TiledInputFile functionality. This flaw allows an attacker who can submit a     crafted single-part non-image to be processed by OpenEXR, to trigger a floating-point exception error. The     highest threat from this vulnerability is to system availability. (CVE-2021-20302)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2793-1 advisory.

  - A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to     be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this     vulnerability is to system availability. (CVE-2021-20298)

  - A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no     actual parts can trigger a NULL pointer dereference. The highest threat from this vulnerability is to     system availability. (CVE-2021-20299)

  - A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows     an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow.
    The highest threat from this vulnerability is to system availability. (CVE-2021-20300)

  - A flaw was found in OpenEXR's TiledInputFile functionality. This flaw allows an attacker who can submit a     crafted single-part non-image to be processed by OpenEXR, to trigger a floating-point exception error. The     highest threat from this vulnerability is to system availability. (CVE-2021-20302)

  - A flaw found in function dataWindowForTile() of IlmImf/ImfTiledMisc.cpp. An attacker who is able to submit     a crafted file to be processed by OpenEXR could trigger an integer overflow, leading to an out-of-bounds     write on the heap. The greatest impact of this flaw is to application availability, with some potential     impact to data integrity as well. (CVE-2021-20303)

  - A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted     file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this     vulnerability is to system availability. (CVE-2021-20304)

  - A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker     who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting     application availability. (CVE-2021-3476)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
223675	Linux Distros Unpatched Vulnerability : CVE-2021-20304	Nessus	Misc.	high
176921	Amazon Linux 2 : OpenEXR (ALAS-2023-2078)	Nessus	Amazon Linux Local Security Checks	medium
173075	Amazon Linux 2023 : openexr, openexr-devel, openexr-libs (ALAS2023-2023-022)	Nessus	Amazon Linux Local Security Checks	high
166712	GLSA-202210-31 : OpenEXR: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	high
155801	SUSE SLES11 Security Update : OpenEXR (SUSE-SU-2021:14846-1)	Nessus	SuSE Local Security Checks	medium
154367	EulerOS 2.0 SP3 : OpenEXR (EulerOS-SA-2021-2600)	Nessus	Huawei Local Security Checks	medium
153700	EulerOS 2.0 SP5 : OpenEXR (EulerOS-SA-2021-2514)	Nessus	Huawei Local Security Checks	medium
153658	EulerOS 2.0 SP8 : OpenEXR (EulerOS-SA-2021-2477)	Nessus	Huawei Local Security Checks	medium
153014	SUSE SLED12 / SLES12 Security Update : openexr (SUSE-SU-2021:2913-1)	Nessus	SuSE Local Security Checks	medium
152835	openSUSE 15 Security Update : openexr (openSUSE-SU-2021:1198-1)	Nessus	SuSE Local Security Checks	medium
152725	openSUSE 15 Security Update : openexr (openSUSE-SU-2021:2793-1)	Nessus	SuSE Local Security Checks	medium
152711	SUSE SLED15 / SLES15 Security Update : openexr (SUSE-SU-2021:2793-1)	Nessus	SuSE Local Security Checks	medium

Detections

Analytics

CVE-2021-20304

high

Tenable Plugins

high

medium

high

high

medium

medium

medium

medium

medium

medium

medium

medium