SB2019111929 - Link following in Debian Linux

Description

This security bulletin contains information about 1 vulnerability.

1) Link following (CVE-ID: CVE-2011-2923)

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

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local authenticated user to manipulate data.

foomatic-rip filter, all versions, used insecurely creates temporary files for storage of PostScript data by rendering the data when the debug mode was enabled. This flaw may be exploited by a local attacker to conduct symlink attacks by overwriting arbitrary files accessible with the privileges of the user running the foomatic-rip universal print filter.

Remediation

Install update from vendor's website.

References

• https://access.redhat.com/security/cve/cve-2011-2923
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-2923
• https://bugzilla.suse.com/show_bug.cgi?id=CVE-2011-2923
• https://security-tracker.debian.org/tracker/CVE-2011-2923