Out-of-bounds Read in Cisco Clamav
CVE-2020-3123
A vulnerability in the Data-Loss-Prevention (DLP) module in Clam AntiVirus (ClamAV) Software versions 0.102.1 and 0.102.0 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to an out-of-bounds read affecting users that have enabled the optional DLP feature. An attacker could exploit this vulnerability by sending a crafted email file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.026 (85.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.026 · newest: 0.026 · change: 0.000
Affected products
- Cisco Clamav — versions 0.102.1
- Clamav — versions 0.102.0, 0.102.1
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
Weakness classification (CWE)
References
- quickview.cloudapps.cisco.com/quickview/bug/CSCvs59062 (vendor-advisory, Third Party Advisory)
- blog.clamav.net/2020/02/clamav-01022-security-patch-released.html (Release Notes, Vendor Advisory)
- usn.ubuntu.com/4280-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4280-2/ (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202003-46 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-3123?
- CVE-2020-3123 is a high-severity vulnerability in Cisco Clamav, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2020-02-05.
- How severe is CVE-2020-3123?
- High severity. CVSS v3 base score is 7.5 out of 10.