Input validation error in Apache HTTP Server

1) Input validation error

EUVDB-ID: #VU32550

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2014-0098

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The log_cookie function in mod_log_config.c in the mod_log_config module in the Apache HTTP Server before 2.4.8 allows remote attackers to cause a denial of service (segmentation fault and daemon crash) via a crafted cookie that is not properly handled during truncation.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Apache HTTP Server: 2.4.0 - 2.4.7

CPE2.3

• cpe:2.3:a:apache_foundation:apache_http_server:2.4.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_http_server:2.4.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache_foundation:apache_http_server:2.4.0.1:*:*:*:*:*:*:*

External links

https://advisories.mageia.org/MGASA-2014-0135.html
https://archives.neohapsis.com/archives/bugtraq/2014-10/0101.html
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10698
https://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
https://marc.info/?l=bugtraq&m=141017844705317&w=2
https://marc.info/?l=bugtraq&m=141390017113542&w=2
https://seclists.org/fulldisclosure/2014/Dec/23
https://secunia.com/advisories/58230
https://secunia.com/advisories/58915
https://secunia.com/advisories/59219
https://secunia.com/advisories/59315
https://secunia.com/advisories/59345
https://secunia.com/advisories/60536
https://security.gentoo.org/glsa/glsa-201408-12.xml
https://support.f5.com/kb/en-us/solutions/public/15000/300/sol15320.html
https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x/CHANGES
https://svn.apache.org/viewvc/httpd/httpd/trunk/modules/loggers/mod_log_config.c
https://svn.apache.org/viewvc/httpd/httpd/trunk/modules/loggers/mod_log_config.c?r1=1575394&r2=1575400&diff_format=h
https://www.apache.org/dist/httpd/CHANGES_2.4.9
https://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
https://www.oracle.com/technetwork/topics/security/cpujul2014-1972956.html
https://www.securityfocus.com/archive/1/534161/100/0/threaded
https://www.securityfocus.com/bid/66303
https://www.ubuntu.com/usn/USN-2152-1
https://www.vmware.com/security/advisories/VMSA-2014-0012.html
https://www-01.ibm.com/support/docview.wss?uid=swg21668973
https://www-01.ibm.com/support/docview.wss?uid=swg21676091
https://www-01.ibm.com/support/docview.wss?uid=swg21676092
https://blogs.oracle.com/sunsecurity/entry/multiple_input_validation_vulnerabilities_in1
https://httpd.apache.org/security/vulnerabilities_24.html
https://lists.apache.org/thread.html/56c2e7cc9deb1c12a843d0dc251ea7fd3e7e80293cde02fcd65286ba@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/84a3714f0878781f6ed84473d1a503d2cc382277e100450209231830@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/8d63cb8e9100f28a99429b4328e4e7cebce861d5772ac9863ba2ae6f@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/f7f95ac1cd9895db2714fa3ebaa0b94d0c6df360f742a40951384a53@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r57608dc51b79102f3952ae06f54d5277b649c86d6533dcd6a7d201f7@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rfbaf647d52c1cb843e726a0933f156366a806cead84fbd430951591b@%3Ccvs.httpd.apache.org%3E
https://puppet.com/security/cve/cve-2014-0098
https://support.apple.com/HT204659
https://support.apple.com/kb/HT6535

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.