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.
EPSS: 0.032 (87.3th percentile) — read the EPSS interpretation.
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.
Affected products
- Cisco Clamav — versions unspecified
- Clamav
- Canonical Ubuntu_linux — versions 12.04, 14.04, 16.04
- Debian Debian_linux — versions 9.0
- Fedoraproject Fedora — versions 31, 32
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
- psirt@cisco.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- psirt@cisco.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- psirt@cisco.com (x_refsource_FEDORA, vendor-advisory)
- psirt@cisco.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- psirt@cisco.com (x_refsource_FEDORA, vendor-advisory)
- psirt@cisco.com (mailing-list, x_refsource_MLIST, 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.