RedHat: 'sudo' Potential local root compromise
Summary
Summary
Versions of sudo prior to 1.6.4 would not clear the environment beforesending an email notification about unauthorized sudo attempts, making itpossible for an attacker to supply parameters to the mail program. In theworst case, this could lead to a local root exploit.Users of sudo are advised to upgrade to version 1.6.4 which is notvulnerable to this issue.
Solution
Before applying this update, make sure all previously released errata
relevant to your system have been applied.
To update all RPMs for your particular architecture, run:
rpm -Fvh [filenames]
where [filenames] is a list of the RPMs you wish to upgrade. Only those
RPMs which are currently installed will be updated. Those RPMs which are
not installed but included in the list will not be updated. Note that you
can also use wildcards (*.rpm) if your current directory *only* contains
the
desired RPMs.
Please note that this update is also available via Red Hat Network. Many
people find this an easier way to apply updates. To use Red Hat Network,
launch the Red Hat Update Agent with the following command:
up2date
This will start an interactive process that will result in the appropriate
RPMs being upgraded on your system.
5. Bug IDs fixed ( for more info):
6. RPMs required:
Red Hat Linux 7.0:
SRPMS:
alpha:
i386:
Red Hat Linux 7.1:
SRPMS:
alpha:
i386:
ia64:
Red Hat Linux 7.2:
SRPMS:
i386:
ia64:
7. Verification:
MD5 sum Package Name
68dfd955e1e8f39fe41a4b7639195f11 7.0/en/os/SRPMS/sudo-1.6.4-0.7x.2.src.rpm
ff225f9d53084e29d0d558c8daea95b6 7.0/en/os/alpha/sudo-1.6.4-0.7x.2.alpha.rpm
ca088e51c3dd8f172063b0f8d122a5e5 7.0/en/os/i386/sudo-1.6.4-0.7x.2.i386.rpm
68dfd955e1e8f39fe41a4b7639195f11 7.1/en/os/SRPMS/sudo-1.6.4-0.7x.2.src.rpm
ff225f9d53084e29d0d558c8daea95b6 7.1/en/os/alpha/sudo-1.6.4-0.7x.2.alpha.rpm
ca088e51c3dd8f172063b0f8d122a5e5 7.1/en/os/i386/sudo-1.6.4-0.7x.2.i386.rpm
fedccbb28833f82f220ab148fb2cd42a 7.1/en/os/ia64/sudo-1.6.4-0.7x.2.ia64.rpm
68dfd955e1e8f39fe41a4b7639195f11 7.2/en/os/SRPMS/sudo-1.6.4-0.7x.2.src.rpm
ca088e51c3dd8f172063b0f8d122a5e5 7.2/en/os/i386/sudo-1.6.4-0.7x.2.i386.rpm
fedccbb28833f82f220ab148fb2cd42a 7.2/en/os/ia64/sudo-1.6.4-0.7x.2.ia64.rpm
These packages are GPG signed by Red Hat, Inc. for security. Our key
is available at:
About
You can verify each package with the following command:
rpm --checksig
If you only wish to verify that each package has not been corrupted or
tampered with, examine only the md5sum with the following command:
rpm --checksig --nogpg
References
Sudo Manual | Sudo Copyright(c) 2000, 2001, 2002 Red Hat, Inc. `
Package List
Topic
Topic
Updated sudo packages fixing a security problem are available.
Relevant Releases Architectures
Red Hat Linux 7.0 - alpha, i386
Red Hat Linux 7.1 - alpha, i386, ia64
Red Hat Linux 7.2 - i386, ia64
Bugs Fixed