Clam AntiVirus unmew11() Denial of Service Vulnerability (Cisco ClamAV)
At a glance
- Source
- NVD
- EPSS
- EPSS 1.31 % · percentile 71 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Modified
Description
A vulnerability in ClamAV versions prior to 0.100.2 could allow an attacker to cause a denial of service (DoS) condition. The vulnerability is due to an error related to the MEW unpacker within the "unmew11()" function (libclamav/mew.c), which can be exploited to trigger an invalid read memory access via a specially crafted EXE file.
Weaknesses (CWE)
- CWE-125 — Out-of-bounds Read
References
- https://lists.debian.org/debian-lts-announce/2018/10/msg00014.html
- https://bugzilla.clamav.net/show_bug.cgi?id=12170
- https://secuniaresearch.flexerasoftware.com/advisories/83000/
- https://usn.ubuntu.com/3789-2/
- https://usn.ubuntu.com/3789-1/
- https://www.flexera.com/company/secunia-research/advisories/SR-2018-23.html
- https://security.gentoo.org/glsa/201904-12
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.0 | MEDIUM 5.5 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2018-7256
- GCVE · GCVE-0-2018-15378
Affected configurations (NVD CPE)
cpe:2.3:a:clamav:clamav:*:*:*:*:*:*:*:*< 0.100.2cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Affected products
| Product | Versions |
|---|---|
| Cisco · ClamAV | affected unspecified < 0.100.2 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |