Buffer overflow in Zoneminder
CVE-2019-6991
A classic Stack-based buffer overflow exists in the zmLoadUser() function in zm_user.cpp of the zmu binary in ZoneMinder through 1.32.3, allowing an unauthenticated attacker to execute code via a long username.
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: 0.033 (88.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.033 · newest: 0.033 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/ZoneMinder/zoneminder/pull/2482 (Patch, Third Party Advisory)
- github.com/ZoneMinder/zoneminder/issues/2478 (Exploit, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2019-6991?
- CVE-2019-6991 is a critical-severity vulnerability in Zoneminder, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2019-01-28.
- How severe is CVE-2019-6991?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2019-6991 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.