#VU35872 Arbitrary file upload in Serendipity - CVE-2016-10752

Vulnerability identifier: #VU35872

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2016-10752

CWE-ID: CWE-434

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Serendipity
Other software / Other software solutions

Vendor: s9y.org

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

serendipity_moveMediaDirectory in Serendipity 2.0.3 allows remote attackers to upload and execute arbitrary PHP code because it mishandles an extensionless filename during a rename, as demonstrated by "php" as a filename.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Serendipity: 2.0.3

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External links
https://blog.ripstech.com/2016/serendipity-from-file-upload-to-code-execution/
https://demo.ripstech.com/projects/serendipity_2.0.3

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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.