ClamAV HTML Scanning Memory Leak Vulnerability Affecting Cisco Products: April 2022
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-401.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Cisco | Cisco AMP for Endpoints | all versions | — | No fix listed | CNA |
- Cisco AMP for Endpoints VendorCisco Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* | before 0.103.5 | Vulnerable | ClamAV |
| cpe:2.3:a:clamav:clamav:*:*:*:*:lts:*:*:* | up to 0.103.5 | Vulnerable | ClamAV |
| cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* | 0.104.0 to before 0.104.2 | Vulnerable | ClamAV |
| cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:* | before 1.16.3 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:* | before 1.17.2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:windows:*:* | before 7.5.5 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:* | 1.18.0 to before 1.18.2 | Vulnerable | Cisco |
| cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:* | 1.18.0 to before 1.18.2 | Vulnerable | Cisco |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 34 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 35 | Vulnerable | Fedoraproject |
- cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* Versions before 0.103.5 Vulnerable ·ClamAV
- cpe:2.3:a:clamav:clamav:*:*:*:*:lts:*:*:* Versions up to 0.103.5 Vulnerable ·ClamAV
- cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:* Versions 0.104.0 to before 0.104.2 Vulnerable ·ClamAV
- cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:* Versions before 1.16.3 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:* Versions before 1.17.2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:windows:*:* Versions before 7.5.5 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:linux:*:* Versions 1.18.0 to before 1.18.2 Vulnerable ·Cisco
- cpe:2.3:a:cisco:secure_endpoint:*:*:*:*:*:macos:*:* Versions 1.18.0 to before 1.18.2 Vulnerable ·Cisco
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
Show 2 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | 36 | Vulnerable | Fedoraproject |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Cisco AMP for Endpoints — FEDORA-2022-b8691af27b
4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2022-05329 ClamAV CHM File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 2022Priority MEDIUM 53
- TI-2022-05330 ClamAV TIFF File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 2022Priority MEDIUM 48
- TI-2022-05355 ClamAV Truncated File Denial of Service Vulnerability Affecting Cisco Products: April 2022Priority LOW 29
- Advisory ·
Cisco AMP for Endpoints — FEDORA-2022-a910a41a17
4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2022-05329 ClamAV CHM File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 2022Priority MEDIUM 53
- TI-2022-05330 ClamAV TIFF File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 2022Priority MEDIUM 48
- TI-2022-05355 ClamAV Truncated File Denial of Service Vulnerability Affecting Cisco Products: April 2022Priority LOW 29
Show 1 more group
- Advisory ·
Cisco AMP for Endpoints — FEDORA-2022-0ac71a8f3a
4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2022-05329 ClamAV CHM File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 2022Priority MEDIUM 53
- TI-2022-05330 ClamAV TIFF File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 2022Priority MEDIUM 48
- TI-2022-05355 ClamAV Truncated File Denial of Service Vulnerability Affecting Cisco Products: April 2022Priority LOW 29
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2022-20785
- 2026-10-03 Alias added: GHSA-mhgp-p5ch-58q3
References
More Cisco Secure Endpoint vulnerabilities
- TI-2023-06741 Buffer overflow in Cisco Secure Web Appliance CVSS 3.1CRITICAL 9.8
- TI-2024-13224 Out-of-bounds read in Cisco Secure Endpoint CVSS 3.1HIGH 7.5
- TI-2022-05329 ClamAV CHM File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 2022 CVSS 3.1HIGH 8.6
- TI-2022-05330 ClamAV TIFF File Parsing Denial of Service Vulnerability Affecting Cisco Products: April 2022 CVSS 3.1HIGH 7.5
- TI-2026-16532 ClamAV XAR File Format Processing Memory Corruption Vulnerability CVSS 3.1HIGH 7.5
- TI-2026-16435 ClamAV DMG File Processing Denial of Service Vulnerability CVSS 3.1HIGH 7.5
Sources
- CVE-2022-20785 · CVE Program
- CVE-2022-20785 · NVD
- FIRST EPSS
- GHSA-mhgp-p5ch-58q3 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-20785 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences