#VU45435 Permissions, Privileges, and Access Controls in Sudo - CVE-2011-0010
Vulnerability identifier: #VU45435
Vulnerability risk: Medium
CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID:
CWE-ID:
CWE-264
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Sudo
Client/Desktop applications /
Software for system administration
Vendor: Sudo
Description
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
check.c in sudo 1.7.x before 1.7.4p5, when a Runas group is configured, does not require a password for command execution that involves a gid change but no uid change, which allows local users to bypass an intended authentication requirement via the -g option to a sudo command.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Sudo: 1.7.0 - 1.7.4p4
External links
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=609641
https://lists.fedoraproject.org/pipermail/package-announce/2011-January/053263.html
https://lists.fedoraproject.org/pipermail/package-announce/2011-January/053341.html
https://lists.opensuse.org/opensuse-security-announce/2011-01/msg00006.html
https://openwall.com/lists/oss-security/2011/01/11/3
https://openwall.com/lists/oss-security/2011/01/12/1
https://openwall.com/lists/oss-security/2011/01/12/3
https://secunia.com/advisories/42886
https://secunia.com/advisories/42949
https://secunia.com/advisories/42968
https://secunia.com/advisories/43068
https://secunia.com/advisories/43282
https://security.gentoo.org/glsa/glsa-201203-06.xml
https://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.593654
https://www.mandriva.com/security/advisories?name=MDVSA-2011:018
https://www.osvdb.org/70400
https://www.redhat.com/support/errata/RHSA-2011-0599.html
https://www.securityfocus.com/bid/45774
https://www.sudo.ws/repos/sudo/rev/07d1b0ce530e
https://www.sudo.ws/repos/sudo/rev/fe8a94f96542
https://www.sudo.ws/sudo/alerts/runas_group_pw.html
https://www.ubuntu.com/usn/USN-1046-1
https://www.vupen.com/english/advisories/2011/0089
https://www.vupen.com/english/advisories/2011/0182
https://www.vupen.com/english/advisories/2011/0195
https://www.vupen.com/english/advisories/2011/0199
https://www.vupen.com/english/advisories/2011/0212
https://www.vupen.com/english/advisories/2011/0362
https://bugzilla.redhat.com/show_bug.cgi?id=668879
https://exchange.xforce.ibmcloud.com/vulnerabilities/64636
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.
