CVE Feed

    Dashboard / CVE / CVE-2003-0899

    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 "&gt;" sequences.

    Published:Oct 30, 2003
    Last Modified:Apr 16, 2026
    EPS:Oct 30, 2003
    EPSS Score:0.20457
    CVSS Score:9.8

    Affected Products

    Vendor
    Acme
    Product
    Thttpd

    Exploits

    http://marc.info/?l=bugtraq&m=106729188224252&w=2http://www.securityfocus.com/bid/8906http://marc.info/?l=bugtraq&m=106729188224252&w=2http://www.securityfocus.com/bid/8906https://www.exploit-db.com/exploits/23305https://www.exploit-db.com/exploits/23306

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-100 Overflow Buffers
    CAPEC-47 Buffer Overflow via Parameter Expansion

    Related CVEs

    CVE-2007-0158 (CVSS 9.8) — thttpd 2007 has buffer underflow.…
    CVE-2012-5640 (CVSS 5.5) — thttpd has a local DoS vulnerability via specially-crafted .htpasswd files…
    CVE-2017-17663 (CVSS 9.8) — The htpasswd implementation of mini_httpd before v1.28 and of thttpd before v2.28 is affected by a buffer over…
    CVE-2013-0348 (CVSS 2.1) — thttpd.c in sthttpd before 2.26.4-r2 and thttpd 2.25b use world-readable permissions for /var/log/thttpd.log, …
    CVE-2009-4491 (CVSS 9.8) — thttpd 2.25b0 writes data to a log file without sanitizing non-printable characters, which might allow remote …
    CVE-2001-1496 (CVSS 9.8) — Off-by-one buffer overflow in Basic Authentication in Acme Labs thttpd 1.95 through 2.20 allows remote attacke…
    CVE-2001-0892 (CVSS 5) — Acme Thttpd Secure Webserver before 2.22, with the chroot option enabled, allows remote attackers to view sens…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High