Description
Icecast before 2.4.0 does not change the supplementary group privileges when <changeowner> is configured, which allows local users to gain privileges via unspecified vectors.
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 13 | icecast2 | 2.4.0-1 | — |
| Debian 12 | icecast2 | 2.4.0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | icecast2 | 2.3.3-2ubuntu1.14.04.1 | — |
References
- [oss-security] 20141125 Re: Re: CVE request: icecast: possible leak of on-connect scripts mailing-list
- https://bugzilla.redhat.com/show_bug.cgi?id=1168146
- https://trac.xiph.org/changeset/19137/
- http://icecast.org/news/icecast-release-2_4_0/
- [oss-security] 20141126 Re: CVE request: icecast: possible leak of on-connect scripts mailing-list
- openSUSE-SU-2014:1591 vendor-advisory