Link following in cups (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2014-3537
CWE-ID CWE-59
Exploitation vector Local
Public exploit N/A
Vulnerable software
 cups (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) Link following

EUVDB-ID: #VU32504

Risk: Low

CVSSv4.0: 0.5 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2014-3537

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Exploit availability: No

Description

The vulnerability allows a local non-authenticated attacker to gain access to sensitive information.

The web interface in CUPS before 1.7.4 allows local users in the lp group to read arbitrary files via a symlink attack on a file in /var/cache/cups/rss/.

Mitigation

Install update from vendor's website.

Vulnerable software versions

cups (Alpine package): 1.6.1-r0 - 1.6.1-r1

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=e2856516886b7cf35fe1cf5be0eb646ea76ca687
https://git.alpinelinux.org/aports/commit/?id=0dabf557b83072a583dfb8c316048783039fe34e


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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