Vulnerability Details : CVE-2022-20771
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 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.
Vulnerability category: Denial of service
Products affected by CVE-2022-20771
- cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:*
- cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:*
- cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:*
- cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:windows:*:*
- cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
- cpe:2.3:a:clamav:clamav:*:*:*:*:lts:*:*:*
- cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-20771
2.26%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-20771
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
Cisco Systems, Inc. | |
|
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2022-20771
-
Assigned by: ykramarz@cisco.com (Secondary)
References for CVE-2022-20771
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7RV6BLIATIJE74SQ6NG5ZC4JK5MMDQ2R/
[SECURITY] Fedora 36 Update: clamav-0.103.6-1.fc36 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202310-01
ClamAV: Multiple Vulnerabilities (GLSA 202310-01) — Gentoo security
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N4NNBIJVG6Z4PDIKUZXTYXICYUAYAZ56/
[SECURITY] Fedora 35 Update: clamav-0.103.6-1.fc35 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2022/06/msg00004.html
[SECURITY] [DLA 3042-1] clamav security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BX5ZXNHP4NFYQ5BFSKY3WT7NTBZUYG7L/
[SECURITY] Fedora 34 Update: clamav-0.103.6-1.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-clamav-dos-ZAZBwRVG
ClamAV TIFF File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 2022Third Party Advisory
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