VDB
CVE-2021-1252
CVE-2021-1252
PUBLISHED
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 0.60% · 70.0th percentile
Risk Scores
EPSS Score
0.60%
70.0th 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 |
Exploit Intelligence
Timeline
- Apr 8, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 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