CVE-2021-1252

clamav: A vulnerability in the Excel XLM macro parsing module in Clam AntiVirus (ClamAV) Software versions 0.103.0 and 0.103....

CVE-2021-1252 is fixed in 9 products on 1 platform, first by clamav 0.103.2+dfsg-0ubuntu0.18.04.1, released April 7, 2021. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0252
84th percentile

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.

Where it's fixed

ProductFixed inFixReleased
Linux
clamav · Ubuntu 18.04.6 LTS (bionic) 0.103.2+dfsg-0ubuntu0.18.04.1 clamav 0.103.2+dfsg-0ubuntu0.18.04.1 Apr 7, 2021
clamav · Ubuntu 20.04 LTS (focal) 0.103.2+dfsg-0ubuntu0.20.04.1 clamav 0.103.2+dfsg-0ubuntu0.20.04.1 Apr 7, 2021
clamav-base · Ubuntu 18.04.6 LTS (bionic) 0.103.2+dfsg-0ubuntu0.18.04.1 clamav-base 0.103.2+dfsg-0ubuntu0.18.04.1 Apr 7, 2021
clamav-base · Ubuntu 20.04 LTS (focal) 0.103.2+dfsg-0ubuntu0.20.04.1 clamav-base 0.103.2+dfsg-0ubuntu0.20.04.1 Apr 7, 2021
clamav-daemon · Ubuntu 18.04.6 LTS (bionic) 0.103.2+dfsg-0ubuntu0.18.04.1 clamav-daemon 0.103.2+dfsg-0ubuntu0.18.04.1 Apr 7, 2021
clamav-daemon · Ubuntu 20.04 LTS (focal) 0.103.2+dfsg-0ubuntu0.20.04.1 clamav-daemon 0.103.2+dfsg-0ubuntu0.20.04.1 Apr 7, 2021
clamav-docs · Ubuntu 18.04.6 LTS (bionic) 0.103.2+dfsg-0ubuntu0.18.04.1 clamav-docs 0.103.2+dfsg-0ubuntu0.18.04.1 Apr 7, 2021
clamav-docs · Ubuntu 20.04 LTS (focal) 0.103.2+dfsg-0ubuntu0.20.04.1 clamav-docs 0.103.2+dfsg-0ubuntu0.20.04.1 Apr 7, 2021
clamav-freshclam · Ubuntu 18.04.6 LTS (bionic) 0.103.2+dfsg-0ubuntu0.18.04.1 clamav-freshclam 0.103.2+dfsg-0ubuntu0.18.04.1 Apr 7, 2021
clamav-freshclam · Ubuntu 20.04 LTS (focal) 0.103.2+dfsg-0ubuntu0.20.04.1 clamav-freshclam 0.103.2+dfsg-0ubuntu0.20.04.1 Apr 7, 2021
clamav-milter · Ubuntu 18.04.6 LTS (bionic) 0.103.2+dfsg-0ubuntu0.18.04.1 clamav-milter 0.103.2+dfsg-0ubuntu0.18.04.1 Apr 7, 2021
clamav-milter · Ubuntu 20.04 LTS (focal) 0.103.2+dfsg-0ubuntu0.20.04.1 clamav-milter 0.103.2+dfsg-0ubuntu0.20.04.1 Apr 7, 2021
clamav-testfiles · Ubuntu 18.04.6 LTS (bionic) 0.103.2+dfsg-0ubuntu0.18.04.1 clamav-testfiles 0.103.2+dfsg-0ubuntu0.18.04.1 Apr 7, 2021
clamav-testfiles · Ubuntu 20.04 LTS (focal) 0.103.2+dfsg-0ubuntu0.20.04.1 clamav-testfiles 0.103.2+dfsg-0ubuntu0.20.04.1 Apr 7, 2021
clamdscan · Ubuntu 18.04.6 LTS (bionic) 0.103.2+dfsg-0ubuntu0.18.04.1 clamdscan 0.103.2+dfsg-0ubuntu0.18.04.1 Apr 7, 2021
clamdscan · Ubuntu 20.04 LTS (focal) 0.103.2+dfsg-0ubuntu0.20.04.1 clamdscan 0.103.2+dfsg-0ubuntu0.20.04.1 Apr 7, 2021
libclamav9 · Ubuntu 18.04.6 LTS (bionic) 0.103.2+dfsg-0ubuntu0.18.04.1 libclamav9 0.103.2+dfsg-0ubuntu0.18.04.1 Apr 7, 2021
libclamav9 · Ubuntu 20.04 LTS (focal) 0.103.2+dfsg-0ubuntu0.20.04.1 libclamav9 0.103.2+dfsg-0ubuntu0.20.04.1 Apr 7, 2021

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.