A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to system availability.

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2021:4489 advisory.

  - A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the     rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to system     availability. (CVE-2021-20266)

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

The remote Ubuntu 16.04 ESM / 18.04 ESM / 20.04 ESM host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5273-1 advisory.

  - A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the     rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to system     availability. (CVE-2021-20266)

  - A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an     attacker who can convince a victim to install a seemingly verifiable package, whose signature header was     modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is     to data integrity, confidentiality, and system availability. (CVE-2021-20271)

  - A flaw was found in the RPM package in the read functionality. This flaw allows an attacker who can     convince a victim to install a seemingly verifiable package or compromise an RPM repository, to cause RPM     database corruption. The highest threat from this vulnerability is to data integrity. This flaw affects     RPM versions before 4.17.0-alpha. (CVE-2021-3421)

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-2022:3939-1 advisory.

  - A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the     rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to system     availability. (CVE-2021-20266)

  - A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an     attacker who can convince a victim to install a seemingly verifiable package, whose signature header was     modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is     to data integrity, confidentiality, and system availability. (CVE-2021-20271)

  - A flaw was found in the RPM package in the read functionality. This flaw allows an attacker who can     convince a victim to install a seemingly verifiable package or compromise an RPM repository, to cause RPM     database corruption. The highest threat from this vulnerability is to data integrity. This flaw affects     RPM versions before 4.17.0-alpha. (CVE-2021-3421)

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

The remote AlmaLinux 8 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2021:4489 advisory.

  - A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the     rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to system     availability. (CVE-2021-20266)

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

The remote host is affected by the vulnerability described in GLSA-202107-43 (RPM: Multiple vulnerabilities)

    Multiple vulnerabilities have been discovered in RPM. Please review the       CVE identifiers referenced below for details.
  Impact :

    Please review the referenced CVE identifiers for details.
  Workaround :

    There is no known workaround at this time.

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2021-4489 advisory.

  - A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the     rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to system     availability. (CVE-2021-20266)

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

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:4489 advisory.

  - rpm: missing length checks in hdrblobInit() (CVE-2021-20266)

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

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2021:4489 advisory.

  - rpm: missing length checks in hdrblobInit() (CVE-2021-20266)

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-2021:1366-1 advisory.

  - A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the     rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to system     availability. (CVE-2021-20266)

  - A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an     attacker who can convince a victim to install a seemingly verifiable package, whose signature header was     modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is     to data integrity, confidentiality, and system availability. (CVE-2021-20271)

  - A flaw was found in the RPM package in the read functionality. This flaw allows an attacker who can     convince a victim to install a seemingly verifiable package or compromise an RPM repository, to cause RPM     database corruption. The highest threat from this vulnerability is to data integrity. This flaw affects     RPM versions before 4.17.0-alpha. (CVE-2021-3421)

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 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:3444-1 advisory.

  - A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the     rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to system     availability. (CVE-2021-20266)

  - A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an     attacker who can convince a victim to install a seemingly verifiable package, whose signature header was     modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is     to data integrity, confidentiality, and system availability. (CVE-2021-20271)

  - A flaw was found in the RPM package in the read functionality. This flaw allows an attacker who can     convince a victim to install a seemingly verifiable package or compromise an RPM repository, to cause RPM     database corruption. The highest threat from this vulnerability is to data integrity. This flaw affects     RPM versions before 4.17.0-alpha. (CVE-2021-3421)

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-2021:2682-1 advisory.

  - A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the     rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to system     availability. (CVE-2021-20266)

  - A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an     attacker who can convince a victim to install a seemingly verifiable package, whose signature header was     modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is     to data integrity, confidentiality, and system availability. (CVE-2021-20271)

  - A flaw was found in the RPM package in the read functionality. This flaw allows an attacker who can     convince a victim to install a seemingly verifiable package or compromise an RPM repository, to cause RPM     database corruption. The highest threat from this vulnerability is to data integrity. This flaw affects     RPM versions before 4.17.0-alpha. (CVE-2021-3421)

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 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2682-1 advisory.

  - A flaw was found in RPM's hdrblobInit() in lib/header.c. This flaw allows an attacker who can modify the     rpmdb to cause an out-of-bounds read. The highest threat from this vulnerability is to system     availability. (CVE-2021-20266)

  - A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an     attacker who can convince a victim to install a seemingly verifiable package, whose signature header was     modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is     to data integrity, confidentiality, and system availability. (CVE-2021-20271)

  - A flaw was found in the RPM package in the read functionality. This flaw allows an attacker who can     convince a victim to install a seemingly verifiable package or compromise an RPM repository, to cause RPM     database corruption. The highest threat from this vulnerability is to data integrity. This flaw affects     RPM versions before 4.17.0-alpha. (CVE-2021-3421)

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

  - A flaw was found in the RPM package in the read     functionality. This flaw allows an attacker who can     convince a victim to install a seemingly verifiable     package or compromise an RPM repository, to cause RPM     database corruption. The highest threat from this     vulnerability is to data integrity. This flaw affects     RPM versions before 4.17.0-alpha.(CVE-2021-3421)

  - A flaw was found in RPM's hdrblobInit() in     lib/header.c. This flaw allows an attacker who can     modify the rpmdb to cause an out-of-bounds read. The     highest threat from this vulnerability is to system     availability.(CVE-2021-20266)

  - A flaw was found in RPM's signature check functionality     when reading a package file. This flaw allows an     attacker who can convince a victim to install a     seemingly verifiable package, whose signature header     was modified, to cause RPM database corruption and     execute code. The highest threat from this     vulnerability is to data integrity, confidentiality,     and system availability.(CVE-2021-20271)

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.

An update of the rpm package has been released.

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

  - A flaw was found in the RPM package in the read     functionality. This flaw allows an attacker who can     convince a victim to install a seemingly verifiable     package or compromise an RPM repository, to cause RPM     database corruption. The highest threat from this     vulnerability is to data integrity. This flaw affects     RPM versions before 4.17.0-alpha.(CVE-2021-3421)

  - A flaw was found in RPM's hdrblobInit() in     lib/header.c. This flaw allows an attacker who can     modify the rpmdb to cause an out-of-bounds read. The     highest threat from this vulnerability is to system     availability.(CVE-2021-20266)

  - A flaw was found in RPM's signature check functionality     when reading a package file. This flaw allows an     attacker who can convince a victim to install a     seemingly verifiable package, whose signature header     was modified, to cause RPM database corruption and     execute code. The highest threat from this     vulnerability is to data integrity, confidentiality,     and system availability.(CVE-2021-20271)

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 rpm packages installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities :

  - A flaw was found in RPM's signature check functionality     when reading a package file. This flaw allows an     attacker who can convince a victim to install a     seemingly verifiable package, whose signature header     was modified, to cause RPM database corruption and     execute code. The highest threat from this     vulnerability is to data integrity, confidentiality,     and system availability.(CVE-2021-20271)

  - A flaw was found in RPM's hdrblobInit() in     lib/header.c. This flaw allows an attacker who can     modify the rpmdb to cause an out-of-bounds read. The     highest threat from this vulnerability is to system     availability.(CVE-2021-20266)

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

  - The RPM Package Manager (RPM) is a powerful command     line driven package management system capable of     installing, uninstalling, verifying, querying, and     updating software packages. Each software package     consists of an archive of files along with information     about the package like its version, a description,     etc.Security Fix(es):A flaw was found in RPM's     hdrblobInit() in lib/header.c. This flaw allows an     attacker who can modify the rpmdb to cause an     out-of-bounds read. The highest threat from this     vulnerability is to system     availability.(CVE-2021-20266)A flaw was found in RPM's     signature check functionality when reading a package     file. This flaw allows an attacker who can convince a     victim to install a seemingly verifiable package, whose     signature header was modified, to cause RPM database     corruption and execute code. The highest threat from     this vulnerability is to data integrity,     confidentiality, and system     availability.(CVE-2021-20271)A flaw was found in the     RPM package in the read functionality. This flaw allows     an attacker who can convince a victim to install a     seemingly verifiable package or compromise an RPM     repository, to cause RPM database corruption. The     highest threat from this vulnerability is to data     integrity.(CVE-2021-3421)

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 Fedora 32 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-662680e477 advisory.

  - A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an     attacker who can convince a victim to install a seemingly verifiable package, whose signature header was     modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is     to data integrity, confidentiality, and system availability. (CVE-2021-20271)

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

The remote Fedora 33 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2021-8d52a8a999 advisory.

  - A flaw was found in RPM's signature check functionality when reading a package file. This flaw allows an     attacker who can convince a victim to install a seemingly verifiable package, whose signature header was     modified, to cause RPM database corruption and execute code. The highest threat from this vulnerability is     to data integrity, confidentiality, and system availability. (CVE-2021-20271)

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

ID	Name	Product	Family	Severity
184915	Rocky Linux 8 : rpm (RLSA-2021:4489)	Nessus	Rocky Linux Local Security Checks	medium
183159	Ubuntu 16.04 ESM / 18.04 ESM / 20.04 ESM : RPM Package Manager vulnerabilities (USN-5273-1)	Nessus	Ubuntu Local Security Checks	high
167327	SUSE SLES12 Security Update : rpm (SUSE-SU-2022:3939-1)	Nessus	SuSE Local Security Checks	high
157480	AlmaLinux 8 : rpm (ALSA-2021:4489)	Nessus	Alma Linux Local Security Checks	medium
157016	GLSA-202107-43 : RPM: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	high
155431	Oracle Linux 8 : rpm (ELSA-2021-4489)	Nessus	Oracle Linux Local Security Checks	medium
155087	RHEL 8 : rpm (RHSA-2021:4489)	Nessus	Red Hat Local Security Checks	medium
155068	CentOS 8 : rpm (CESA-2021:4489)	Nessus	CentOS Local Security Checks	medium
154215	openSUSE 15 Security Update : rpm (openSUSE-SU-2021:1366-1)	Nessus	SuSE Local Security Checks	high
154189	SUSE SLED15 / SLES15 Security Update : rpm (SUSE-SU-2021:3444-1)	Nessus	SuSE Local Security Checks	high
152644	openSUSE 15 Security Update : rpm (openSUSE-SU-2021:2682-1)	Nessus	SuSE Local Security Checks	high
152546	SUSE SLED15 / SLES15 Security Update : rpm (SUSE-SU-2021:2682-1)	Nessus	SuSE Local Security Checks	high
152338	EulerOS 2.0 SP9 : rpm (EulerOS-SA-2021-2254)	Nessus	Huawei Local Security Checks	high
152315	EulerOS 2.0 SP9 : rpm (EulerOS-SA-2021-2280)	Nessus	Huawei Local Security Checks	high
151951	Photon OS 1.0: Rpm PHSA-2021-1.0-0414	Nessus	PhotonOS Local Security Checks	medium
151561	EulerOS Virtualization 2.9.0 : rpm (EulerOS-SA-2021-2197)	Nessus	Huawei Local Security Checks	high
151549	EulerOS Virtualization 2.9.1 : rpm (EulerOS-SA-2021-2186)	Nessus	Huawei Local Security Checks	high
151160	EulerOS Virtualization for ARM 64 3.0.6.0 : rpm (EulerOS-SA-2021-2015)	Nessus	Huawei Local Security Checks	high
151038	EulerOS 2.0 SP8 : rpm (EulerOS-SA-2021-1992)	Nessus	Huawei Local Security Checks	high
149953	Photon OS 4.0: Rpm PHSA-2021-4.0-0030	Nessus	PhotonOS Local Security Checks	medium
149945	Photon OS 3.0: Rpm PHSA-2021-3.0-0241	Nessus	PhotonOS Local Security Checks	medium
148802	Fedora 32 : rpm (2021-662680e477)	Nessus	Fedora Local Security Checks	high
148228	Fedora 33 : rpm (2021-8d52a8a999)	Nessus	Fedora Local Security Checks	high

Detections

Analytics

CVE-2021-20266

medium

Tenable Plugins

medium

high

high

medium

high

medium

medium

medium

high

high

high

high

high

high

medium

high

high

high

high

medium

medium

high

high