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 "&lt;" and…

EPSS: 0.217 (97.3th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Patch, VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
  • cve@mitre.org (vendor-advisory, Broken Link, x_refsource_DEBIAN)
  • cve@mitre.org (Patch, x_refsource_SECUNIA, Broken Link, Vendor Advisory, third-party-advisory)
  • cve@mitre.org (x_refsource_OSVDB, vdb-entry, Broken Link)
  • cve@mitre.org (URL Repurposed, x_refsource_MISC, Broken Link)
  • cve@mitre.org (mailing-list, Exploit, x_refsource_BUGTRAQ, Mailing List)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_XF)

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.