Vulnerability Details : CVE-2019-6991
Potential exploit
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 category: OverflowMemory CorruptionExecute code
Products affected by CVE-2019-6991
- cpe:2.3:a:zoneminder:zoneminder:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-6991
3.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 86 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-6991
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2019-6991
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-6991
-
https://github.com/ZoneMinder/zoneminder/issues/2478
Stack based buffer Overflow - /src/zm_user.cpp (zmu) · Issue #2478 · ZoneMinder/zoneminder · GitHubIssue Tracking;Exploit;Third Party Advisory
-
https://github.com/ZoneMinder/zoneminder/pull/2482
Fixes 2478 Remove overrun possibility by SteveGilvarry · Pull Request #2482 · ZoneMinder/zoneminder · GitHubPatch;Third Party Advisory
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