CVE-2003-0899

high-risk
Published 2003-11-03

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.

Do I need to act?

!
20.5% chance of exploitation in next 30 days
EPSS score — higher than 80% of all CVEs
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
!
2 public exploits available
23305, 23306
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (3)

Affected Vendors

Acme

References (14)

Exploit http://marc.info/?l=bugtraq&m=106729188224252&w=2
Broken Link http://secunia.com/advisories/10092
Broken Link http://www.osvdb.org/2729
Broken Link http://www.securityfocus.com/bid/8906
Broken Link http://www.texonet.com/advisories/TEXONET-20030908.txt
Third Party Advisory https://exchange.xforce.ibmcloud.com/vulnerabilities/13530
Broken Link https://www.debian.org/security/2003/dsa-396
Exploit http://marc.info/?l=bugtraq&m=106729188224252&w=2
Broken Link http://secunia.com/advisories/10092
Broken Link http://www.osvdb.org/2729
Broken Link http://www.securityfocus.com/bid/8906
Broken Link http://www.texonet.com/advisories/TEXONET-20030908.txt
Third Party Advisory https://exchange.xforce.ibmcloud.com/vulnerabilities/13530
Broken Link https://www.debian.org/security/2003/dsa-396
62
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 21/34 · High
Exposure 9/34 · Low