Summary
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)
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | clamav | 0.103.6+dfsg-0ubuntu0.14.04.1+esm1 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | clamav | 0.103.6+dfsg-0ubuntu0.16.04.1+esm1 |
Vulnerabilities 5
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High 8.6
ClamAV CHM File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 2022
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 CHM file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS version 0.…
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High 7.8
A vulnerability in the regex module used by the signature database load module of Clam AntiVirus (ClamAV) versions 0.10…
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High 7.5
ClamAV TIFF File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 2022
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 the TIFF file parser of Clam AntiVirus (ClamAV) versions 0.104.0 through 0.104.2 and LTS versi…
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High 7.5
ClamAV HTML Scanning Memory Leak Vulnerability Affecting Cisco Products: April 2022
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…
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Medium 6.5
ClamAV Truncated File Denial of Service Vulnerability Affecting Cisco Products: April 2022
On May 4, 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 Clam AntiVirus (ClamAV) versions 0.103.4, 0.103.5, 0.104.1, and 0.104.2 could allow an authentica…