Description
ZNC 1.0 allows remote authenticated users to cause a denial of service (NULL pointer reference and crash) via a crafted request to the (1) editnetwork, (2) editchan, (3) addchan, or (4) delchan page in modules/webadmin.cpp.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | znc | 1.0-5 | — |
| Debian 13 | znc | 1.0-5 | — |
| Debian 12 | znc | 1.0-5 | — |
References
- http://advisories.mageia.org/MGASA-2013-0257.html
- [oss-security] 20130530 Re: CVE request: znc: null pointer dereference in webadmin mailing-list
- 53450 third-party-advisory
- FEDORA-2013-14123 vendor-advisory
- MDVSA-2015:013 vendor-advisory
- FEDORA-2013-14132 vendor-advisory
- https://github.com/znc/znc/commit/2bd410ee5570cea127233f1133ea22f25174eb28