CVE-2011-4362

high

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/71536

https://bugzilla.redhat.com/show_bug.cgi?id=758624

http://www.securitytracker.com/id?1026359

http://www.debian.org/security/2011/dsa-2368

http://secunia.com/advisories/47260

http://jvn.jp/en/jp/JVN37417423/index.html

Details

Source: Mitre, NVD

Published: 2011-12-24

Updated: 2021-03-04

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High