Input validation error in cpio (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2015-1197
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 cpio (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU33721

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2015-1197

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

cpio 2.11, when using the --no-absolute-filenames option, allows local users to write to arbitrary files via a symlink attack on a file in an archive. <a href="http://cwe.mitre.org/data/definitions/61.html">CWE-61: UNIX Symbolic Link (Symlink) Following</a>

Mitigation

Install update from vendor's website.

Vulnerable software versions

cpio (Alpine package): 2.12-r3

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=0eda4c601a5e4a721ad87ab7321c29405070cf38
https://git.alpinelinux.org/aports/commit/?id=2dba4320dbf6396b4814e728f62b81393010f658


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.



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