| Name | CVE-2018-18820 |
| Description | A buffer overflow was discovered in the URL-authentication backend of the Icecast before 2.4.4. If the backend is enabled, then any malicious HTTP client can send a request for that specific resource including a crafted header, leading to denial of service and potentially remote code execution. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1588-1, DSA-4333-1 |
| Debian Bugs | 912611 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| icecast2 (PTS) | jessie, jessie (lts) | 2.4.0-1.1+deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 2.4.2-1+deb9u1 | fixed | |
| buster | 2.4.4-1 | fixed | |
| sid, trixie, bullseye, bookworm | 2.4.4-4 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| icecast2 | source | wheezy | (unfixed) | end-of-life | ||
| icecast2 | source | jessie | 2.4.0-1.1+deb8u2 | DLA-1588-1 | ||
| icecast2 | source | stretch | 2.4.2-1+deb9u1 | DSA-4333-1 | ||
| icecast2 | source | (unstable) | 2.4.4-1 | 912611 |
https://www.openwall.com/lists/oss-security/2018/11/01/3
https://gitlab.xiph.org/xiph/icecast-server/issues/2342
Fixed by: https://gitlab.xiph.org/xiph/icecast-server/commit/b21a7283bd1598c5af0bbb250a041ba8198f98f2
Additional issue fixed with https://gitlab.xiph.org/xiph/icecast-server/commit/03ea74c04a5966114c2fe66e4e6892d11a68181e
https://lgtm.com/blog/icecast_snprintf_CVE-2018-18820