Resource management error in Apache HTTP Server

1) Resource management error

EUVDB-ID: #VU32517

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-0231

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The mod_cgid module in the Apache HTTP Server before 2.4.10 does not have a timeout mechanism, which allows remote attackers to cause a denial of service (process hang) via a request to a CGI script that does not read from its stdin file descriptor.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Apache HTTP Server: 2.4.0 - 2.4.9

External links

http://advisories.mageia.org/MGASA-2014-0304.html
http://advisories.mageia.org/MGASA-2014-0305.html
http://httpd.apache.org/security/vulnerabilities_24.html
http://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
http://marc.info/?l=bugtraq&m=143403519711434&w=2
http://marc.info/?l=bugtraq&m=143748090628601&w=2
http://marc.info/?l=bugtraq&m=144050155601375&w=2
http://marc.info/?l=bugtraq&m=144493176821532&w=2
http://packetstormsecurity.com/files/130769/RSA-Digital-Certificate-Solution-XSS-Denial-Of-Service.html
http://rhn.redhat.com/errata/RHSA-2014-1019.html
http://rhn.redhat.com/errata/RHSA-2014-1020.html
http://rhn.redhat.com/errata/RHSA-2014-1021.html
http://secunia.com/advisories/60536
http://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x/CHANGES
http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/generators/mod_cgid.c
http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/generators/mod_cgid.c?r1=1482522&r2=1535125&diff_format=h
http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/generators/mod_cgid.c?r1=1565711&r2=1610509&diff_format=h
http://www.debian.org/security/2014/dsa-2989
http://www.mandriva.com/security/advisories?name=MDVSA-2014:142
http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
http://www.securityfocus.com/bid/68742
http://bugzilla.redhat.com/show_bug.cgi?id=1120596
http://h20564.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04832246
http://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba@%3Ccvs.httpd.apache.org%3E
http://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830@%3Ccvs.httpd.apache.org%3E
http://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f@%3Ccvs.httpd.apache.org%3E
http://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53@%3Ccvs.httpd.apache.org%3E
http://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7@%3Ccvs.httpd.apache.org%3E
http://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f@%3Ccvs.httpd.apache.org%3E
http://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234@%3Ccvs.httpd.apache.org%3E
http://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b@%3Ccvs.httpd.apache.org%3E
http://puppet.com/security/cve/cve-2014-0231
http://security.gentoo.org/glsa/201504-03
http://support.apple.com/HT204659

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.