CVE-2003-0899

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

03/11/2003

Last modified:

03/04/2025

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 &#39;&#39; characters, which trigger the overflow when the characters are expanded to "&lt;" and "&gt;" sequences.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vector 2.0

AV:N/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0

7.50

Severity 2.0

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:acme:thttpd::::::::	2.21 (including)	2.23 (excluding)
cpe:2.3:a:acme:thttpd:2.23:-::::::
cpe:2.3:a:acme:thttpd:2.23:b1::::::

To consult the complete list of CPE names with products and versions, see this page

CVE-2003-0899

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools