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Red Hat: 2011:0220-02 Moderate: Tar Buffer Overflow and DoS

red hat
Calendar Grey March 15, 2010
Dist Redhat Esm H88
A recent security patch for tar in Red Hat Enterprise Linux addresses critical buffer overflow vulnerabilities and potential DoS threats.
An updated tar package that fixes two security issues is now available for Red Hat Enterprise Linux 4 and 5

Solution

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

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

Summary

The GNU tar program saves many files together in one archive and can restore individual files (or all of the files) from that archive.
A heap-based buffer overflow flaw was found in the way tar expanded archive files. If a user were tricked into expanding a specially-crafted archive, it could cause the tar executable to crash or execute arbitrary code with the privileges of the user running tar. (CVE-2010-0624)
Red Hat would like to thank Jakob Lell for responsibly reporting the CVE-2010-0624 issue.
A denial of service flaw was found in the way tar expanded archive files. If a user expanded a specially-crafted archive, it could cause the tar executable to crash. (CVE-2007-4476)
Users of tar are advised to upgrade to this updated package, which contains backported patches to correct these issues.

Topics%20covered

Topics Covered

security advisory security update Red Hat buffer overflow DoS issue tar moderate security

References

https://access.redhat.com/security/cve/CVE-2007-4476 https://access.redhat.com/security/cve/CVE-2010-0624 https://access.redhat.com/security/updates/classification#moderate

Package List

Red Hat Enterprise Linux AS version 4:
Source:
i386: tar-1.14-13.el4_8.1.i386.rpm tar-debuginfo-1.14-13.el4_8.1.i386.rpm
ia64: tar-1.14-13.el4_8.1.ia64.rpm tar-debuginfo-1.14-13.el4_8.1.ia64.rpm
ppc: tar-1.14-13.el4_8.1.ppc.rpm tar-debuginfo-1.14-13.el4_8.1.ppc.rpm
s390: tar-1.14-13.el4_8.1.s390.rpm tar-debuginfo-1.14-13.el4_8.1.s390.rpm
s390x: tar-1.14-13.el4_8.1.s390x.rpm tar-debuginfo-1.14-13.el4_8.1.s390x.rpm
x86_64: tar-1.14-13.el4_8.1.x86_64.rpm tar-debuginfo-1.14-13.el4_8.1.x86_64.rpm
Red Hat Enterprise Linux Desktop version 4:
Source:
i386: tar-1.14-13.el4_8.1.i386.rpm tar-debuginfo-1.14-13.el4_8.1.i386.rpm
x86_64: tar-1.14-13.el4_8.1.x86_64.rpm tar-debuginfo-1.14-13.el4_8.1.x86_64.rpm
Red Hat Enterprise Linux ES version 4:
Source:
i386: tar-1.14-13.el4_8.1.i386.rpm tar-debuginfo-1.14-13.el4_8.1.i386.rpm
ia64: tar-1.14-13.el4_8.1.ia64.rpm tar-debuginfo-1.14-13.el4_8.1.ia64.rpm
x86_64: tar-1.14-13.el4_8.1.x86_64.rpm tar-debuginfo-1.14-13.el4_8.1.x86_64.rpm
Red Hat Enterprise Linux WS version 4:
Source:
i386: tar-1.14-13.el4_8.1.i386.rpm tar-debuginfo-1.14-13.el4_8.1.i386.rpm
ia64: tar-1.14-13.el4_8.1.ia64.rpm tar-debuginfo-1.14-13.el4_8.1.ia64.rpm
x86_64: tar-1.14-13.el4_8.1.x86_64.rpm tar-debuginfo-1.14-13.el4_8.1.x86_64.rpm


Read the Full Advisory


Advisory ID: RHSA-2010:0141-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2010:0141.html
Issue date: 2010-03-15

Topic

An updated tar package that fixes two security issues is now available forRed Hat Enterprise Linux 4 and 5.This update has been rated as having moderate security impact by the RedHat Security Response Team.

Topics%20covered

Topics Covered

security advisory security update Red Hat buffer overflow DoS issue tar moderate security

Relevant Releases Architectures

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

Red Hat Enterprise Linux AS version 4 - i386, ia64, ppc, s390, s390x, x86_64

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

Red Hat Enterprise Linux Desktop version 4 - i386, x86_64

Red Hat Enterprise Linux ES version 4 - i386, ia64, x86_64

Red Hat Enterprise Linux WS version 4 - i386, ia64, x86_64

Bugs Fixed

280961 - CVE-2007-4476 tar/cpio stack crashing in safer_name_suffix

564368 - CVE-2010-0624 tar, cpio: Heap-based buffer overflow by expanding a specially-crafted archive

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