Out-of-bounds Read in Clamav
CVE-2017-12377
ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition or potentially execute arbitrary code on an affected device. The vulnerability is due to improper input validation checking mechanisms in mew packet files sent to an affected device. A successful exploit could cause a heap-based buffer over-read condition in mew.c when ClamAV scans the malicious file, allowing the attacker to cause a DoS condition or potentially execute arbitrary code on the affected device.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.116 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.116 · newest: 0.116 · change: 0.000
Affected products
- Clamav
- Debian Linux — versions 7.0
- Clamav Antivirus Software Versions 0.99.2 And Prior — versions ClamAV AntiVirus software versions 0.99.2 and prior
Weakness classification (CWE)
References
- usn.ubuntu.com/3550-1/ (vendor-advisory)
- usn.ubuntu.com/3550-2/ (vendor-advisory)
- bugzilla.clamav.net/show_bug.cgi (Exploit, Issue Tracking, Vendor Advisory)
- lists.debian.org/debian-lts-announce/2018/01/msg00035.html (mailing-list, Mailing List, Third Party Advisory)
- blog.clamav.net/2018/01/clamav-0993-has-been-released.html (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-12377?
- CVE-2017-12377 is a critical-severity vulnerability in Clamav, classified under Out-of-bounds Read. CVSS score: 9.8/10. Published 2018-01-26.
- How severe is CVE-2017-12377?
- Critical severity. CVSS v3 base score is 9.8 out of 10.