var-202205-0220
Vulnerability from variot

On April 20, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in HTML file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS version 0.103.5 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog. This advisory will be updated as additional information becomes available. ClamAV Contains a vulnerability regarding the lack of free memory after expiration.Service operation interruption (DoS) It may be in a state. Clam AntiVirus is an open source antivirus engine for detecting Trojans, viruses, malware and other malicious threats. ========================================================================== Ubuntu Security Notice USN-5423-2 May 17, 2022

clamav vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 16.04 ESM
  • Ubuntu 14.04 ESM

Summary:

Several security issues were fixed in ClamAV.

Software Description: - clamav: Anti-virus utility for Unix

Details:

USN-5423-1 fixed several vulnerabilities in ClamAV. This update provides the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM.

Original advisory details:

Michał Dardas discovered that ClamAV incorrectly handled parsing CHM files. A remote attacker could possibly use this issue to cause ClamAV to stop responding, resulting in a denial of service. (CVE-2022-20770)

Michał Dardas discovered that ClamAV incorrectly handled parsing TIFF files. A remote attacker could possibly use this issue to cause ClamAV to stop responding, resulting in a denial of service. (CVE-2022-20771)

Michał Dardas discovered that ClamAV incorrectly handled parsing HTML files. A remote attacker could possibly use this issue to cause ClamAV to consume resources, resulting in a denial of service. (CVE-2022-20785)

Michał Dardas discovered that ClamAV incorrectly handled loading the signature database. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2022-20792)

Alexander Patrakov and Antoine Gatineau discovered that ClamAV incorrectly handled the scan verdict cache check. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service, or possibly execute arbitrary code.(CVE-2022-20796)

Update instructions:

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.04 ESM: clamav 0.103.6+dfsg-0ubuntu0.16.04.1+esm1

Ubuntu 14.04 ESM: clamav 0.103.6+dfsg-0ubuntu0.14.04.1+esm1

This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.

References: https://ubuntu.com/security/notices/USN-5423-2 https://ubuntu.com/security/notices/USN-5423-1 CVE-2022-20770, CVE-2022-20771, CVE-2022-20785, CVE-2022-20792, CVE-2022-20796 . - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202310-01

                                       https://security.gentoo.org/

Severity: Normal Title: ClamAV: Multiple Vulnerabilities Date: October 01, 2023 Bugs: #831083, #842813, #894672 ID: 202310-01

Synopsis

Multiple vulnerabilities have been discovered in ClamAV, the worst of which could result in remote code execution.

Background

ClamAV is a GPL virus scanner.

Affected packages

Package Vulnerable Unaffected

app-antivirus/clamav < 0.103.7 >= 0.103.7

Description

Multiple vulnerabilities have been discovered in ClamAV. 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.

Resolution

All ClamAV users should upgrade to the latest version:

# emerge --sync # emerge --ask --oneshot --verbose ">=app-antivirus/clamav-0.103.7"

References

[ 1 ] CVE-2022-20698 https://nvd.nist.gov/vuln/detail/CVE-2022-20698 [ 2 ] CVE-2022-20770 https://nvd.nist.gov/vuln/detail/CVE-2022-20770 [ 3 ] CVE-2022-20771 https://nvd.nist.gov/vuln/detail/CVE-2022-20771 [ 4 ] CVE-2022-20785 https://nvd.nist.gov/vuln/detail/CVE-2022-20785 [ 5 ] CVE-2022-20792 https://nvd.nist.gov/vuln/detail/CVE-2022-20792 [ 6 ] CVE-2022-20796 https://nvd.nist.gov/vuln/detail/CVE-2022-20796 [ 7 ] CVE-2022-20803 https://nvd.nist.gov/vuln/detail/CVE-2022-20803 [ 8 ] CVE-2023-20032 https://nvd.nist.gov/vuln/detail/CVE-2023-20032 [ 9 ] CVE-2023-20052 https://nvd.nist.gov/vuln/detail/CVE-2023-20052

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/202310-01

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2023 Gentoo Foundation, Inc; referenced text belongs to its owner(s).

The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5

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    "data": "On April 20, 2022, the following vulnerability in the ClamAV scanning library versions 0.103.5 and earlier and 0.104.2 and earlier was disclosed: A vulnerability in HTML file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS version 0.103.5 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. For a description of this vulnerability, see the ClamAV blog. This advisory will be updated as additional information becomes available. ClamAV Contains a vulnerability regarding the lack of free memory after expiration.Service operation interruption (DoS) It may be in a state. Clam AntiVirus is an open source antivirus engine for detecting Trojans, viruses, malware and other malicious threats. ==========================================================================\nUbuntu Security Notice USN-5423-2\nMay 17, 2022\n\nclamav vulnerabilities\n==========================================================================\n\nA security issue affects these releases of Ubuntu and its derivatives:\n\n- Ubuntu 16.04 ESM\n- Ubuntu 14.04 ESM\n\nSummary:\n\nSeveral security issues were fixed in ClamAV. \n\nSoftware Description:\n- clamav: Anti-virus utility for Unix\n\nDetails:\n\nUSN-5423-1 fixed several vulnerabilities in ClamAV. This update provides\nthe corresponding update for Ubuntu 14.04 ESM and 16.04 ESM. \n\n\nOriginal advisory details:\n\n Micha\u0142 Dardas discovered that ClamAV incorrectly handled parsing CHM files. \n A remote attacker could possibly use this issue to cause ClamAV to stop\n responding, resulting in a denial of service.  (CVE-2022-20770)\n\n Micha\u0142 Dardas discovered that ClamAV incorrectly handled parsing TIFF\n files. A remote attacker could possibly use this issue to cause ClamAV to\n stop responding, resulting in a denial of service. (CVE-2022-20771)\n\n Micha\u0142 Dardas discovered that ClamAV incorrectly handled parsing HTML\n files. A remote attacker could possibly use this issue to cause ClamAV to\n consume resources, resulting in a denial of service. (CVE-2022-20785)\n\n Micha\u0142 Dardas discovered that ClamAV incorrectly handled loading the\n signature database. A remote attacker could possibly use this issue to\n cause ClamAV to crash, resulting in a denial of service, or possibly\n execute arbitrary code. (CVE-2022-20792)\n\n Alexander Patrakov and Antoine Gatineau discovered that ClamAV incorrectly\n handled the scan verdict cache check. A remote attacker could possibly use\n this issue to cause ClamAV to crash, resulting in a denial of service, or\n possibly execute arbitrary code.(CVE-2022-20796)\n\nUpdate instructions:\n\nThe problem can be corrected by updating your system to the following\npackage versions:\n\nUbuntu 16.04 ESM:\n  clamav                          0.103.6+dfsg-0ubuntu0.16.04.1+esm1\n\nUbuntu 14.04 ESM:\n  clamav                          0.103.6+dfsg-0ubuntu0.14.04.1+esm1\n\nThis update uses a new upstream release, which includes additional bug\nfixes. In general, a standard system update will make all the necessary\nchanges. \n\nReferences:\n  https://ubuntu.com/security/notices/USN-5423-2\n  https://ubuntu.com/security/notices/USN-5423-1\n  CVE-2022-20770, CVE-2022-20771, CVE-2022-20785, CVE-2022-20792,\n  CVE-2022-20796\n. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\nGentoo Linux Security Advisory                           GLSA 202310-01\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n                                           https://security.gentoo.org/\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\n Severity: Normal\n    Title: ClamAV: Multiple Vulnerabilities\n     Date: October 01, 2023\n     Bugs: #831083, #842813, #894672\n       ID: 202310-01\n\n- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -\n\nSynopsis\n========\n\nMultiple vulnerabilities have been discovered in ClamAV, the worst of\nwhich could result in remote code execution. \n\nBackground\n==========\n\nClamAV is a GPL virus scanner. \n\nAffected packages\n=================\n\nPackage               Vulnerable    Unaffected\n--------------------  ------------  ------------\napp-antivirus/clamav  \u003c 0.103.7     \u003e= 0.103.7\n\nDescription\n===========\n\nMultiple vulnerabilities have been discovered in ClamAV. Please review\nthe CVE identifiers referenced below for details. \n\nImpact\n======\n\nPlease review the referenced CVE identifiers for details. \n\nWorkaround\n==========\n\nThere is no known workaround at this time. \n\nResolution\n==========\n\nAll ClamAV users should upgrade to the latest version:\n\n  # emerge --sync\n  # emerge --ask --oneshot --verbose \"\u003e=app-antivirus/clamav-0.103.7\"\n\nReferences\n==========\n\n[ 1 ] CVE-2022-20698\n      https://nvd.nist.gov/vuln/detail/CVE-2022-20698\n[ 2 ] CVE-2022-20770\n      https://nvd.nist.gov/vuln/detail/CVE-2022-20770\n[ 3 ] CVE-2022-20771\n      https://nvd.nist.gov/vuln/detail/CVE-2022-20771\n[ 4 ] CVE-2022-20785\n      https://nvd.nist.gov/vuln/detail/CVE-2022-20785\n[ 5 ] CVE-2022-20792\n      https://nvd.nist.gov/vuln/detail/CVE-2022-20792\n[ 6 ] CVE-2022-20796\n      https://nvd.nist.gov/vuln/detail/CVE-2022-20796\n[ 7 ] CVE-2022-20803\n      https://nvd.nist.gov/vuln/detail/CVE-2022-20803\n[ 8 ] CVE-2023-20032\n      https://nvd.nist.gov/vuln/detail/CVE-2023-20032\n[ 9 ] CVE-2023-20052\n      https://nvd.nist.gov/vuln/detail/CVE-2023-20052\n\nAvailability\n============\n\nThis GLSA and any updates to it are available for viewing at\nthe Gentoo Security Website:\n\n https://security.gentoo.org/glsa/202310-01\n\nConcerns?\n=========\n\nSecurity is a primary focus of Gentoo Linux and ensuring the\nconfidentiality and security of our users\u0027 machines is of utmost\nimportance to us. Any security concerns should be addressed to\nsecurity@gentoo.org or alternatively, you may file a bug at\nhttps://bugs.gentoo.org. \n\nLicense\n=======\n\nCopyright 2023 Gentoo Foundation, Inc; referenced text\nbelongs to its owner(s). \n\nThe contents of this document are licensed under the\nCreative Commons - Attribution / Share Alike license. \n\nhttps://creativecommons.org/licenses/by-sa/2.5\n",
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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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