Cryptographic issues in WordPress

1) Cryptographic issues

EUVDB-ID: #VU42775

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-2013-2173

CWE-ID: CWE-310 - Cryptographic Issues

Exploit availability: No

Description

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

wp-includes/class-phpass.php in WordPress 3.5.1, when a password-protected post exists, allows remote attackers to cause a denial of service (CPU consumption) via a crafted value of a certain wp-postpass cookie.

Mitigation

Install update from vendor's website.

Vulnerable software versions

WordPress: 3.5.1

CPE2.3

• cpe:2.3:a:wordpress_org:wordpress:3.5.1:*:*:*:*:*:*:*

External links

https://archives.neohapsis.com/archives/bugtraq/2013-06/0052.html
https://codex.wordpress.org/Version_3.5.2
https://openwall.com/lists/oss-security/2013/06/12/2
https://wordpress.org/news/2013/06/wordpress-3-5-2/
https://www.debian.org/security/2013/dsa-2718
https://github.com/wpscanteam/wpscan/issues/219
https://vndh.net/note:wordpress-351-denial-service

Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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