Vulnerability in Acme Thttpd
CVE-2003-0899
Buffer overflow in defang in libhttpd.c for thttpd 2.21 to 2.23b1 allows remote attackers to execute arbitrary code via requests that contain '<' or '>' characters, which trigger the overflow when the characters are expanded to "<" and ">" sequences.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.222 (97.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.217 · newest: 0.222 · change: +0.005
Affected products
- Acme Thttpd — versions 2.23
Weakness classification (CWE)
References
- www.securityfocus.com/bid/8906 (Exploit, Patch, VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- www.debian.org/security/2003/dsa-396 (vendor-advisory, Broken Link)
- secunia.com/advisories/10092 (Patch, Broken Link, Vendor Advisory, third-party-advisory)
- www.osvdb.org/2729 (vdb-entry, Broken Link)
- www.texonet.com/advisories/TEXONET-20030908.txt (URL Repurposed, Broken Link)
- marc.info/ (mailing-list, Exploit, Mailing List)
- exchange.xforce.ibmcloud.com/vulnerabilities/13530 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2003-0899?
- CVE-2003-0899 is a critical-severity vulnerability in Acme Thttpd, classified under Incorrect Calculation of Buffer Size. CVSS score: 9.8/10. Published 2003-11-03.
- How severe is CVE-2003-0899?
- Critical severity. CVSS v3 base score is 9.8 out of 10.