CVE-2011-4362

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

24/12/2011

Last modified:

11/04/2025

Description

Integer signedness error in the base64_decode function in the HTTP authentication functionality (http_auth.c) in lighttpd 1.4 before 1.4.30 and 1.5 before SVN revision 2806 allows remote attackers to cause a denial of service (segmentation fault) via crafted base64 input that triggers an out-of-bounds read with a negative index.

Impact

Vector 2.0

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

Base Score: 5.00 MEDIUM
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

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

Base Score 2.0

5.00

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:lighttpd:lighttpd::::::::	1.4.1 (including)	1.4.30 (excluding)
cpe:2.3:a:lighttpd:lighttpd:1.5.0:::::::*
cpe:2.3:o:debian:debian_linux:5.0:::::::*
cpe:2.3:o:debian:debian_linux:6.0:::::::*
cpe:2.3:o:debian:debian_linux:7.0:::::::*

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

CVE-2011-4362

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools