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Red Hat: RHSA-2020:0365-01 Moderate: Privilege Escalation Bug

red hat
Calendar Grey February 5, 2009
Dist Redhat Esm H88
Routine patch for Ubuntu sudo component resolves significant command execution vulnerability.
An updated sudo package to fix a security issue is now available for Red Hat Enterprise Linux 5. This update has been rated as having moderate security impact by the Red Hat Sec...

Solution

Before applying this update, make sure that all previously-released errata relevant to your system have been applied.

This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at

Summary

The sudo (superuser do) utility allows system administrators to give certain users the ability to run commands as root with logging.
A flaw was discovered in a way sudo handled group specifications in "run as" lists in the sudoers configuration file. If sudo configuration allowed a user to run commands as any user of some group and the user was also a member of that group, sudo incorrectly allowed them to run defined commands with the privileges of any system user. This gave the user unintended privileges. (CVE-2009-0034)
Users of sudo should update to this updated package, which contains a backported patch to resolve this issue.

Topics%20covered

Topics Covered

security advisory moderate security update Red Hat access issue sudo system administration

References

https://www.cve.org/CVERecord?id=CVE-2009-0034 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux Desktop (v. 5 client):
Source:
i386: sudo-1.6.9p17-3.el5_3.1.i386.rpm sudo-debuginfo-1.6.9p17-3.el5_3.1.i386.rpm
x86_64: sudo-1.6.9p17-3.el5_3.1.x86_64.rpm sudo-debuginfo-1.6.9p17-3.el5_3.1.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source:
i386: sudo-1.6.9p17-3.el5_3.1.i386.rpm sudo-debuginfo-1.6.9p17-3.el5_3.1.i386.rpm
ia64: sudo-1.6.9p17-3.el5_3.1.ia64.rpm sudo-debuginfo-1.6.9p17-3.el5_3.1.ia64.rpm
ppc: sudo-1.6.9p17-3.el5_3.1.ppc.rpm sudo-debuginfo-1.6.9p17-3.el5_3.1.ppc.rpm
s390x: sudo-1.6.9p17-3.el5_3.1.s390x.rpm sudo-debuginfo-1.6.9p17-3.el5_3.1.s390x.rpm
x86_64: sudo-1.6.9p17-3.el5_3.1.x86_64.rpm sudo-debuginfo-1.6.9p17-3.el5_3.1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/#package


Advisory ID: RHSA-2009:0267-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2009:0267.html
Issue date: 2009-02-05

Topic

An updated sudo package to fix a security issue is now available for Red Hat Enterprise Linux 5.

This update has been rated as having moderate security impact by the Red Hat Security Response Team.

Topics%20covered

Topics Covered

security advisory moderate security update Red Hat access issue sudo system administration

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

Bugs Fixed

481720 - CVE-2009-0034 sudo: incorrect handling of groups in Runas_User

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