Buffer overflow in Xiph Icecast
CVE-2018-18820
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.489 (98.8th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.489 · newest: 0.489 · change: 0.000
Affected products
- Xiph Icecast
- Debian Linux — versions 8.0, 9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securitytracker.com/id/1042019 (VDB Entry, Third Party Advisory, vdb-entry)
- security.gentoo.org/glsa/201811-09 (vendor-advisory, Third Party Advisory, Mitigation)
- lists.debian.org/debian-lts-announce/2018/11/msg00033.html (mailing-list, Third Party Advisory)
- www.openwall.com/lists/oss-security/2018/11/01/3 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.debian.org/security/2018/dsa-4333 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-18820?
- CVE-2018-18820 is a high-severity vulnerability in Xiph Icecast, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.1/10. Published 2018-11-05.
- How severe is CVE-2018-18820?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2018-18820 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.