1) Input validation error

EUVDB-ID: #VU32550

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-2014-0098

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:*:*:*:*:*:*:*
• Full software list in CPE2.3 format available after registration.

External links

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