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[ GLSA 201311-21 ] cpio: Arbitrary code execution
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PostPosted: Thu Nov 28, 2013 1:26 pm    Post subject: [ GLSA 201311-21 ] cpio: Arbitrary code execution Reply with quote

Gentoo Linux Security Advisory

Title: cpio: Arbitrary code execution (GLSA 201311-21)
Severity: normal
Exploitable: remote
Date: November 28, 2013
Bug(s): #314663
ID: 201311-21

Synopsis

A heap-based buffer overflow in cpio might allow a remote rmt
server to execute arbitrary code or cause a Denial of Service condition.


Background

GNU cpio copies files into or out of a cpio or tar archive.

Affected Packages

Package: app-arch/cpio
Vulnerable: < 2.11
Unaffected: >= 2.11
Architectures: All supported architectures


Description

Cpio contains a heap-based buffer overflow in the rmt_read__ function in
lib/rtapelib.c.


Impact

A remote server could sending more data than was requested, related to
archive filenames that contain a : (colon) character, possibly resulting
in execution of arbitrary code or a Denial of Service condition.


Workaround

There is no known workaround at this time.

Resolution

All cpio users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=app-arch/cpio-2.11"
   


References


CVE-2010-0624
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