CVE-2011-4362
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…
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 21.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 21.11% probability · 97th percentile
- CISA KEV
- Not listed
- Affected
- lighttpd/lighttpd · debian/debian linux
- Source
- secalert@redhat.com
References
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0167.htmlBroken Link
- http://blog.pi3.com.pl/?p=277Exploit, Third Party Advisory
- http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txtExploit, Patch, Vendor Advisory
- http://jvn.jp/en/jp/JVN37417423/index.htmlThird Party Advisory
- http://redmine.lighttpd.net/issues/2370Exploit, Patch, Vendor Advisory
- http://secunia.com/advisories/47260Third Party Advisory
- http://www.debian.org/security/2011/dsa-2368Third Party Advisory
- http://www.exploit-db.com/exploits/18295Exploit, Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2011/11/29/13Exploit, Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2011/11/29/8Exploit, Mailing List, Patch, Third Party Advisory
- http://www.securitytracker.com/id?1026359Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=758624Issue Tracking, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71536Third Party Advisory, VDB Entry
- http://archives.neohapsis.com/archives/bugtraq/2011-12/0167.htmlBroken Link
- http://blog.pi3.com.pl/?p=277Exploit, Third Party Advisory
- http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txtExploit, Patch, Vendor Advisory
- http://jvn.jp/en/jp/JVN37417423/index.htmlThird Party Advisory
- http://redmine.lighttpd.net/issues/2370Exploit, Patch, Vendor Advisory
- http://secunia.com/advisories/47260Third Party Advisory
- http://www.debian.org/security/2011/dsa-2368Third Party Advisory
- http://www.exploit-db.com/exploits/18295Exploit, Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2011/11/29/13Exploit, Mailing List, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2011/11/29/8Exploit, Mailing List, Patch, Third Party Advisory
- http://www.securitytracker.com/id?1026359Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=758624Issue Tracking, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/71536Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.