VulnerabilityModified
CVE-2012-5533
The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token, as demonstrated using the "Connection:…
MEDIUM 5.0EPSS 12.0%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 12.0%, higher than 96% of all known CVEs. Patch or mitigate before the next change window.
Description
The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token, as demonstrated using the "Connection: TE,,Keep-Alive" header.
- CVSS 2.0
- 5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
- EPSS
- 12.04% probability · 96th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- lighttpd/lighttpd
- Source
- secalert@redhat.com
References
- http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patchPatch
- http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txtVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00044.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00051.html
- http://marc.info/?l=bugtraq&m=141576815022399&w=2
- http://osvdb.org/87623
- http://packetstormsecurity.org/files/118282/Simple-Lighttpd-1.4.31-Denial-Of-Service.html
- http://secunia.com/advisories/51268Vendor Advisory
- http://secunia.com/advisories/51298Vendor Advisory
- http://www.exploit-db.com/exploits/22902Exploit
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:100
- http://www.openwall.com/lists/oss-security/2012/11/21/1
- http://www.securityfocus.com/bid/56619Exploit
- http://www.securitytracker.com/id?1027802
- https://exchange.xforce.ibmcloud.com/vulnerabilities/80213
- https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0345
- http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patchPatch
- http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txtVendor Advisory
- http://lists.opensuse.org/opensuse-updates/2012-11/msg00044.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00051.html
- http://marc.info/?l=bugtraq&m=141576815022399&w=2
- http://osvdb.org/87623
- http://packetstormsecurity.org/files/118282/Simple-Lighttpd-1.4.31-Denial-Of-Service.html
- http://secunia.com/advisories/51268Vendor Advisory
- http://secunia.com/advisories/51298Vendor Advisory
- http://www.exploit-db.com/exploits/22902Exploit
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:100
- http://www.openwall.com/lists/oss-security/2012/11/21/1
- http://www.securityfocus.com/bid/56619Exploit
- http://www.securitytracker.com/id?1027802
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.