Vulnerability Details : CVE-2020-13775
ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network.
Vulnerability category: Memory Corruption
Products affected by CVE-2020-13775
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:a:znc:znc:1.8.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-13775
0.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-13775
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
3.5
|
LOW | AV:N/AC:M/Au:S/C:N/I:N/A:P |
6.8
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2020-13775
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-13775
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DNVBE4T2DRJRQHFRMHYBTN4OSOL6DBHR/
[SECURITY] Fedora 31 Update: znc-1.8.1-1.fc31 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HS3DWGXLVRROQQA57UIPMDM6XMVEMBRA/
[SECURITY] Fedora 32 Update: znc-1.8.1-1.fc32 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://github.com/znc/znc/commit/2390ad111bde16a78c98ac44572090b33c3bd2d8
Fix null pointer dereference in echo-message · znc/znc@2390ad1 · GitHubPatch;Third Party Advisory
-
https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001
Fix echo-message for *status · znc/znc@d229761 · GitHubPatch;Third Party Advisory
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