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Family: Gentoo Local Security Checks --> Category: infos

[GLSA-200409-18] cdrtools: Local root vulnerability in cdrecord if set SUID root Vulnerability Scan

Vulnerability Scan Summary
cdrtools: Local root vulnerability in cdrecord if set SUID root

Detailed Explanation for this Vulnerability Test
The remote host is affected by the vulnerability described in GLSA-200409-18
(cdrtools: Local root vulnerability in cdrecord if set SUID root)

Max Vozeler discovered that the cdrecord utility, when set to SUID root,
fails to drop root rights before executing a user-supplied RSH program.
By default, Gentoo does not ship the cdrecord utility as SUID root and
therefore is not vulnerable. However, many users (and CD-burning
front-ends) set this manually after installation.


A local attacker could specify a malicious program using the $RSH
environment variable and have it executed by the SUID cdrecord, resulting
in root rights escalation.


As a workaround, you could remove the SUID rights from your cdrecord
utility :
# chmod a-s /usr/bin/cdrecord


All cdrtools users should upgrade to the latest version:
# emerge sync
# emerge -pv ">=app-cdr/cdrtools-2.01_alpha37-r1"
# emerge ">=app-cdr/cdrtools-2.01_alpha37-r1"

Threat Level: High

Click HERE for more information and discussions on this network vulnerability scan.


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