CVE-2011-4362

medium · 5

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.

CVSS

21.1%

EPSS (exploit prob.)

97th

EPSS percentile

2011-12-24

Published

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

Vendor	Product	Affected versions
lighttpd	lighttpd	>= 1.4.1, < 1.4.30
lighttpd	lighttpd	1.5.0
debian	debian_linux	5.0
debian	debian_linux	6.0
debian	debian_linux	7.0

Check a specific version with /api/v1/cve/match.

References

http://archives.neohapsis.com/archives/bugtraq/2011-12/0167.html
http://blog.pi3.com.pl/?p=277
http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txt
http://jvn.jp/en/jp/JVN37417423/index.html
http://redmine.lighttpd.net/issues/2370
http://secunia.com/advisories/47260
http://www.debian.org/security/2011/dsa-2368
http://www.exploit-db.com/exploits/18295
http://www.openwall.com/lists/oss-security/2011/11/29/13
http://www.openwall.com/lists/oss-security/2011/11/29/8
http://www.securitytracker.com/id?1026359
https://bugzilla.redhat.com/show_bug.cgi?id=758624
https://exchange.xforce.ibmcloud.com/vulnerabilities/71536
http://archives.neohapsis.com/archives/bugtraq/2011-12/0167.html
http://blog.pi3.com.pl/?p=277
http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txt
http://jvn.jp/en/jp/JVN37417423/index.html
http://redmine.lighttpd.net/issues/2370
http://secunia.com/advisories/47260
http://www.debian.org/security/2011/dsa-2368
http://www.exploit-db.com/exploits/18295
http://www.openwall.com/lists/oss-security/2011/11/29/13
http://www.openwall.com/lists/oss-security/2011/11/29/8
http://www.securitytracker.com/id?1026359
https://bugzilla.redhat.com/show_bug.cgi?id=758624

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2011-4362