VDB
CVE-2021-1252
CVE-2021-1252
PUBLISHED
CVSS 7.5 HIGH
A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103.1 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to improper error handling that may result in an infinite loop. An attacker could exploit this vulnerability by sending a crafted Excel file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process hang, resulting in a denial of service condition.
EPSS 2.52% · 84.2th percentile
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
2.52%
84.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:14.04:LTS | clamav | 0.98.5+addedllvm-0ubuntu0.14.04.1, *, * |
| Ubuntu:18.04:LTS | clamav | 0.100.3+dfsg-0ubuntu0.18.04.1, 0, 0.99.3~beta1+dfsg-2ubuntu1 |
| Ubuntu:20.04:LTS | clamav | 0.101.4+dfsg-1ubuntu1, 0.102.1+dfsg-1ubuntu1, 0.102.1+dfsg-2ubuntu2 |
| Ubuntu:16.04:LTS | clamav | 0.102.2+dfsg-0ubuntu0.16.04.1, 0.102.1+dfsg-0ubuntu0.16.04.2, 0.101.4+dfsg-0ubuntu0.16.04.1 |
Timeline
- Apr 8, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- May 3, 2022 EPSS Score
- Jul 5, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-1252 third-party-advisory
- https://blog.clamav.net/2021/04/clamav-01032-security-patch-release.html third-party-advisory
- https://ubuntu.com/security/notices/USN-4918-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4918-2 vendor-advisory
- https://ubuntu.com/security/notices/USN-4918-3 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-1252 third-party-advisory