NULL pointer dereference in Cisco Clamav
CVE-2020-3481
A vulnerability in the EGG archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.0 - 0.102.3 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a null pointer dereference. An attacker could exploit this vulnerability by sending a crafted EGG 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.
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: 0.032 (88.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
- Cisco Clamav — versions unspecified
- Clamav
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 31, 32
Weakness classification (CWE)
Public proof-of-concept exploits
References
- blog.clamav.net/2020/07/clamav-01024-security-patch-released.html (vendor-advisory, Vendor Advisory)
- security.gentoo.org/glsa/202007-23 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4435-1/ (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- usn.ubuntu.com/4435-2/ (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2020/08/msg00010.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-3481?
- CVE-2020-3481 is a high-severity vulnerability in Cisco Clamav, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2020-07-20.
- How severe is CVE-2020-3481?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-3481 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.