There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an attacker to cause a denial-of-service through a crafted tiff file.

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

  - There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an     attacker to cause a denial-of-service through a crafted tiff file. (CVE-2020-18768)

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

According to the versions of the libtiff packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an     attacker to cause a denial-of-service through a crafted tiff file. (CVE-2020-18768)

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 libtiff packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an     attacker to cause a denial-of-service through a crafted tiff file. (CVE-2020-18768)

  - loadImage() in tools/tiffcrop.c in LibTIFF through 4.5.0 has a heap-based use after free via a crafted     TIFF image. (CVE-2023-26965)

  - A flaw was found in libtiff. A specially crafted tiff file can lead to a segmentation fault due to a     buffer overflow in the Fax3Encode function in libtiff/tif_fax3.c, resulting in a denial of service.
    (CVE-2023-3618)

  - LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of     service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers     a heap-based buffer overflow. (CVE-2023-40745)

  - A vulnerability was found in libtiff due to multiple potential integer overflows in raw2tiff.c. This flaw     allows remote attackers to cause a denial of service or possibly execute an arbitrary code via a crafted     tiff image, which triggers a heap-based buffer overflow. (CVE-2023-41175)

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 libtiff packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an     attacker to cause a denial-of-service through a crafted tiff file. (CVE-2020-18768)

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 libtiff packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an     attacker to cause a denial-of-service through a crafted tiff file. (CVE-2020-18768)

  - loadImage() in tools/tiffcrop.c in LibTIFF through 4.5.0 has a heap-based use after free via a crafted     TIFF image. (CVE-2023-26965)

  - A flaw was found in libtiff. A specially crafted tiff file can lead to a segmentation fault due to a     buffer overflow in the Fax3Encode function in libtiff/tif_fax3.c, resulting in a denial of service.
    (CVE-2023-3618)

  - LibTIFF is vulnerable to an integer overflow. This flaw allows remote attackers to cause a denial of     service (application crash) or possibly execute an arbitrary code via a crafted tiff image, which triggers     a heap-based buffer overflow. (CVE-2023-40745)

  - A vulnerability was found in libtiff due to multiple potential integer overflows in raw2tiff.c. This flaw     allows remote attackers to cause a denial of service or possibly execute an arbitrary code via a crafted     tiff image, which triggers a heap-based buffer overflow. (CVE-2023-41175)

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 SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:4370-1 advisory.

    - CVE-2023-38289: Fixed a NULL pointer dereference in raw2tiff       (bsc#1213589).
    - CVE-2023-38288: Fixed an integer overflow in raw2tiff (bsc#1213590).
    - CVE-2023-3576: Fixed a memory leak in tiffcrop (bsc#1213273).
    - CVE-2020-18768: Fixed an out of bounds read in tiffcp (bsc#1214574).
    - CVE-2023-26966: Fixed an out of bounds read when transforming a       little-endian file to a big-endian output (bsc#1212881)
    - CVE-2023-3618: Fixed a NULL pointer dereference while encoding FAX3       files (bsc#1213274).
    - CVE-2023-2908: Fixed an undefined behavior issue when doing pointer       arithmetic on a NULL pointer (bsc#1212888).
    - CVE-2023-3316: Fixed a NULL pointer dereference while opening a file       in an inaccessible path (bsc#1212535).
    - CVE-2023-25433: Fixed a buffer overflow in tiffcrop (bsc#1212883).

Tenable has extracted the preceding description block directly from the SUSE 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 SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:4371-1 advisory.

    - CVE-2023-38289: Fixed a NULL pointer dereference in raw2tiff       (bsc#1213589).
    - CVE-2023-38288: Fixed an integer overflow in raw2tiff (bsc#1213590).
    - CVE-2023-3576: Fixed a memory leak in tiffcrop (bsc#1213273).
    - CVE-2020-18768: Fixed an out of bounds read in tiffcp (bsc#1214574).
    - CVE-2023-26966: Fixed an out of bounds read when transforming a       little-endian file to a big-endian output (bsc#1212881)
    - CVE-2023-3618: Fixed a NULL pointer dereference while encoding FAX3       files (bsc#1213274).
    - CVE-2023-2908: Fixed an undefined behavior issue when doing pointer       arithmetic on a NULL pointer (bsc#1212888).
    - CVE-2023-3316: Fixed a NULL pointer dereference while opening a file       in an inaccessible path (bsc#1212535).
    - CVE-2023-25433: Fixed a buffer overflow in tiffcrop (bsc#1212883).

Tenable has extracted the preceding description block directly from the SUSE 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 version of libtiff installed on the remote host is prior to 4.0.3-35. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2023-2300 advisory.

    There exists one heap buffer overflow in _TIFFmemcpy in tif_unix.c in libtiff 4.0.10, which allows an     attacker to cause a denial-of-service through a crafted tiff file. (CVE-2020-18768)

    A heap buffer overflow in ExtractImageSection function in tiffcrop.c in libtiff library Version 4.3.0     allows attacker to trigger unsafe or out of bounds memory access via crafted TIFF image file which could     result into application crash, potential information disclosure or any other context-dependent impact     (CVE-2022-0891)

    A heap-buffer-overflow vulnerability was found in LibTIFF, in extractImageSection() at     tools/tiffcrop.c:7916 and tools/tiffcrop.c:7801. This flaw allows attackers to cause a denial of service     via a crafted tiff file. (CVE-2023-3164)

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.

ID	Name	Product	Family	Type	Severity
223344	Linux Distros Unpatched Vulnerability : CVE-2020-18768	Nessus	Misc.	Local	medium
197249	EulerOS Virtualization 3.0.6.0 : libtiff (EulerOS-SA-2024-1687)	Nessus	Huawei Local Security Checks	Local	medium
197241	EulerOS Virtualization 3.0.6.6 : libtiff (EulerOS-SA-2024-1655)	Nessus	Huawei Local Security Checks	Local	medium
191798	EulerOS 2.0 SP8 : libtiff (EulerOS-SA-2024-1277)	Nessus	Huawei Local Security Checks	Local	medium
190246	EulerOS 2.0 SP5 : libtiff (EulerOS-SA-2024-1148)	Nessus	Huawei Local Security Checks	Local	medium
184803	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : tiff (SUSE-SU-2023:4370-1)	Nessus	SuSE Local Security Checks	Local	medium
184800	SUSE SLES12 Security Update : tiff (SUSE-SU-2023:4371-1)	Nessus	SuSE Local Security Checks	Local	medium
183488	Amazon Linux 2 : libtiff (ALAS-2023-2300)	Nessus	Amazon Linux Local Security Checks	Local	high

Detections

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CVE-2020-18768

medium

Tenable Plugins

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medium

medium

medium

medium

medium

medium

high