The CWebAdminMod::ChanPage function in modules/webadmin.cpp in ZNC before 1.4 allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) by adding a channel with the same name as an existing channel but without the leading # character, related to a use-after-delete error.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Znc | Znc | * | 1.2 (including) |
| Znc | Ubuntu | esm-infra-legacy/trusty | * |
| Znc | Ubuntu | lucid | * |
| Znc | Ubuntu | precise | * |
| Znc | Ubuntu | trusty | * |
| Znc | Ubuntu | trusty/esm | * |
| Znc | Ubuntu | upstream | * |
References
- http://advisories.mageia.org/MGASA-2014-0543.html
- http://secunia.com/advisories/57795
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:013
- http://www.openwall.com/lists/oss-security/2014/12/18/2
- http://www.securityfocus.com/bid/66926
- https://github.com/znc/znc/blob/master/ChangeLog.md
- https://github.com/znc/znc/issues/528
- http://advisories.mageia.org/MGASA-2014-0543.html
- http://secunia.com/advisories/57795
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:013
- http://www.openwall.com/lists/oss-security/2014/12/18/2
- http://www.securityfocus.com/bid/66926
- https://github.com/znc/znc/blob/master/ChangeLog.md
- https://github.com/znc/znc/issues/528