Description
proxy.c in libpurple in Pidgin before 2.10.4 does not properly handle canceled SOCKS5 connection attempts, which allows user-assisted remote authenticated users to cause a denial of service (application crash) via a sequence of XMPP file-transfer requests.
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 | pidgin | 2.10.4-1 | — |
| Debian 13 | pidgin | 2.10.4-1 | — |
| Debian 12 | pidgin | 2.10.4-1 | — |
References
- http://hg.pidgin.im/pidgin/main/rev/5f9d676cefdb
- oval:org.mitre.oval:def:17886 vdb-entry signature
- http://pidgin.im/news/security/?id=62
- MDVSA-2012:082 vendor-advisory