CVE-2003-0899 EXPLOIT
9.8
CRITICAL · CVSS 3.1 · EPSS 22.2% (pctl 98)
Patch early
A public exploit exists.
Description
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 22.19% — more likely to be exploited than 98% of all CVEs |
| Weakness | CWE-131 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2003-11-03 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| acme | thttpd |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | thttpd 2.2x - 'defang' Remote Buffer Overflow (PoC) | 2003-10-27 |
| exploit-db | thttpd 2.2x - 'defang' Remote Buffer Overflow | 2003-10-27 |
References
- http://marc.info/?l=bugtraq&m=106729188224252&w=2
- http://secunia.com/advisories/10092
- http://www.osvdb.org/2729
- http://www.securityfocus.com/bid/8906
- http://www.texonet.com/advisories/TEXONET-20030908.txt
- https://exchange.xforce.ibmcloud.com/vulnerabilities/13530
- https://www.debian.org/security/2003/dsa-396
- http://marc.info/?l=bugtraq&m=106729188224252&w=2
- http://secunia.com/advisories/10092
- http://www.osvdb.org/2729
- http://www.securityfocus.com/bid/8906
- http://www.texonet.com/advisories/TEXONET-20030908.txt
- https://exchange.xforce.ibmcloud.com/vulnerabilities/13530
- https://www.debian.org/security/2003/dsa-396
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