#VU85903 Improper Privilege Management in Rsync - CVE-2002-0080

Vulnerability identifier: #VU85903

Vulnerability risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2002-0080

CWE-ID: CWE-269

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Rsync
Server applications / Other server solutions

Vendor: Samba

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to rsync, when running in daemon mode, does not properly call setgroups before dropping privileges. A local user can get supplemental group privileges to read certain files that would otherwise be disallowed.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Rsync: before 2.5.3

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External links
https://www.caldera.com/support/security/advisories/CSSA-2002-014.1.txt
https://www.iss.net/security_center/static/8463.php
https://www.linux-mandrake.com/en/security/2002/MDKSA-2002-024.php3
https://www.redhat.com/support/errata/RHSA-2002-026.html
https://www.securityfocus.com/bid/4285

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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.