Description
ircu 2.10.12.05 and earlier ignores timestamps in bounces, which allows remote attackers to take over a channel during a netjoin by causing a bounce while a server with an older version of the channel is linking.
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 | ircd-ircu | 2.10.12.10.dfsg1-1 | — |
| Debian 13 | ircd-ircu | 2.10.12.10.dfsg1-1 | — |
| Debian 12 | ircd-ircu | 2.10.12.10.dfsg1-1 | — |
References
- 3031 third-party-advisory
- ircu-timestamp-security-bypass(35994) vdb-entry
- 20070812 Multiple vulnerabilities in ircu mailing-list
- 25285 vdb-entry
- 46715 vdb-entry