Input validation error in Apache HTTP Server

1) Input validation error

EUVDB-ID: #VU32514

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-2014-0117

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows remote attackers to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (child-process crash) via a crafted HTTP Connection header.

Mitigation

Update to version 2.4.10.

Vulnerable software versions

Apache HTTP Server: 2.4.0 - 2.4.9

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-2014-0305.html
https://httpd.apache.org/security/vulnerabilities_24.html
https://lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
https://seclists.org/fulldisclosure/2014/Jul/117
https://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy_http.c
https://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy_http.c?r1=1599486&r2=1610674&diff_format=h
https://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/proxy_util.c
https://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/proxy_util.c?r1=1609680&r2=1610674&diff_format=h
https://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html
https://zerodayinitiative.com/advisories/ZDI-14-239/
https://bugzilla.redhat.com/show_bug.cgi?id=1120599
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/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f@%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234@%3Ccvs.httpd.apache.org%3E
https://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.