#VU40885 Improper Neutralization of Special Elements in Output Used by a Downstream Component in Movable Type - CVE-2015-1592

Vulnerability identifier: #VU40885

Vulnerability risk: Medium

CVSSv4.0: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:A/U:Green]

CVE-ID: CVE-2015-1592

CWE-ID: CWE-74

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Movable Type
Web applications / CMS

Vendor: Six Apart Ltd

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Movable Type Pro, Open Source, and Advanced before 5.2.12 and Pro and Advanced 6.0.x before 6.0.7 does not properly use the Perl Storable::thaw function, which allows remote attackers to include and execute arbitrary local Perl files and possibly execute arbitrary code via unspecified vectors.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Movable Type: 6.0 - 6.0.6

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External links
https://www.openwall.com/lists/oss-security/2015/02/12/17
https://www.openwall.com/lists/oss-security/2015/02/12/2
https://www.securityfocus.com/bid/72606
https://www.securitytracker.com/id/1031777
https://exchange.xforce.ibmcloud.com/vulnerabilities/100912
https://movabletype.org/news/2015/02/movable_type_607_and_5212_released_to_close_security_vulnera.html
https://www.debian.org/security/2015/dsa-3183

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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. However, a fully functional exploit for this vulnerability is available.