CVE-2022-20698: canonical ubuntu_linux Improper Input Validation
Vulnerability summary
CVE-2022-20698 is a high (CVSS 7.5) Improper Input Validation vulnerability in canonical ubuntu_linux. EPSS estimates a 3.06% chance of exploitation in the next 30 days, higher than 87.4% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 14-01-2022PublishedVulnerability first disclosed.
- 06-11-2024Last modifiedVulnerability information updated.
Description
A vulnerability in the OOXML parsing module in Clam AntiVirus (ClamAV) Software version 0.104.1 and LTS version 0.103.4 and prior versions could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper checks that may result in an invalid pointer read. An attacker could exploit this vulnerability by sending a crafted OOXML file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process to crash, resulting in a denial of service condition.
CVSS metrics
6 scores · 5 sources · 2 versions- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
3.06%
Chance of exploitation in the next 30 days
Percentile
87%
Versus all other CVEs
30-day change
0.00 pp
From 3.06% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (blog.clamav.net)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
Affected systems
Suse37 products
- clamav-openssl1&distro=SUSE Linux Enterprise Server 11-SECURITY< 0.103.5-0.20.44.1
- clamav&distro=HPE Helion OpenStack 8< 0.103.5-33.44.1
- clamav&distro=SUSE Enterprise Storage 6< 0.103.5-3.35.1
- clamav&distro=SUSE Enterprise Storage 7< 0.103.5-3.35.1
- clamav&distro=SUSE Linux Enterprise High Performance Computing 15 SP1-ESPOS< 0.103.5-3.35.1
Debian2 products
- clamav< 0.103.5+dfsg-1
- debian_linuxEOL9.0 | 10.0 | 11.0
Opensuse2 products
- clamav&distro=openSUSE Leap 15.3< 0.103.5-3.35.1
- clamav&distro=openSUSE Tumbleweed< 0.103.5-1.1
Alpine1 product
- clamav≥ 0.104.0, < 0.103.6-r0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 20.04 | 20.10 | 21.04
Cisco1 product
- clamav≥ unspecified, < 0.103.5 | ≥ unspecified, < 0.104.2
Clamav1 product
- clamav< 0.103.5 | ≥ 0.104.0, < 0.104.2
Mageia1 product
- clamav< 0.103.5-1.mga8
Ubuntu1 product
- clamav< 0.103.5+dfsg-0ubuntu0.18.04.1 | < 0.103.5+dfsg-1~20.04.1 | < 0.103.5+dfsg-0ubuntu0.14.04.1+esm1 | < 0.103.5+dfsg-0ubuntu0.16.04.1+esm1
9 vendors · 47 products
References
19 links- security.gentoo.org/glsa/202310-01Vendor Advisory
Show all 19 references
- lists.opensuse.org/archives/…Advisory
