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Fedora Update Notification
FEDORA-2013-15053
2013-08-20 22:21:14
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Name        : glibc
Product     : Fedora 19
Version     : 2.17
Release     : 13.fc19
URL         : http://www.gnu.org/software/glibc/
Summary     : The GNU libc libraries
Description :
The glibc package contains standard libraries which are used by
multiple programs on the system. In order to save disk space and
memory, as well as to make upgrading easier, common system code is
kept in one place and shared between programs. This particular package
contains the most important sets of shared libraries: the standard C
library and the standard math library. Without these two libraries, a
Linux system will not function.

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Update Information:

glibc security update:

CVE-2012-4412 glibc: strcoll() integer overflow leading to buffer overflow
CVE-2012-4424 glibc: alloca() stack overflow in the strcoll() interface
CVE-2013-1914 glibc: Stack (frame) overflow in getaddrinfo() when processing 
entry mapping to long list of address structures
CVE-2013-2207 glibc (pt_chown): Improper pseudotty ownership and permissions 
changes when granting access to the slave pseudoterminal
CVE-2013-4237 glibc: Buffer overwrite when using readdir_r on file systems 
returning file names longer than NAME_MAX characters

Fix for CVE-2013-2207 may break chroots if their devpts was not mounted 
correctly.  Fix is to mount the devpts correctly with gid=5.
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ChangeLog:

* Mon Aug 19 2013 Siddhesh Poyarekar <[email protected]> - 2.17-13
- Fix stack overflow in getaddrinfo with many results (#947892, CVE-2013-1914).
* Mon Aug 19 2013 Siddhesh Poyarekar <[email protected]> - 2.17-12
- Disable pt_chown (#984829, CVE-2013-2207).
- Fix strcoll flaws (#855399, CVE-2012-4412, CVE-2012-4424).
- Fix buffer overflow in readdir_r (#995841, CVE-2013-4237).
* Tue Jun 25 2013 Siddhesh Poyarekar <[email protected]> - 2.17-11
- Fix libm performance regression due to set/restore rounding mode (#977887).
* Tue Jun 25 2013 Siddhesh Poyarekar <[email protected]> - 2.17-10
- Preserve errno across _PC_CHOWN_RESTRICTED call on XFS (#977870).
  - Remove PIPE_BUF Linux-specific code (#977872).
  - Fix FPE in memusagestat when malloc utilization is zero (#977874).
  - Accept leading and trailing spaces in getdate input string (#977875).
* Thu Jun 20 2013 Siddhesh Poyarekar <[email protected]> - 2.17-9
- Set EAI_SYSTEM only when h_errno is NETDB_INTERNAL (#958652).
* Tue Jun  4 2013 Jeff Law <[email protected]> - 2.17-8
- Fix ESTALE error message (#966259)
* Sun May  5 2013 Patsy Franklin <[email protected]> - 2.17-7
- Fix _nl_find_msg malloc failure case, and callers. (#959034).
* Tue Apr 30 2013 Patsy Franklin <[email protected]> - 2.17-6
- Test init_fct for NULL, not result->__init_fct, after demangling (#952799).
* Tue Apr 23 2013 Patsy Franklin <[email protected]> - 2.17-5
- Increase limits on xdr name and record requests (#892777).
  - Consistently MANGLE/DEMANGLE init_fct, end_fct and btow_fct (#952799).
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References:

  [ 1 ] Bug #995839 - CVE-2013-4237 glibc: Buffer overwrite when using 
readdir_r on file systems returning file names longer than NAME_MAX characters
        https://bugzilla.redhat.com/show_bug.cgi?id=995839
  [ 2 ] Bug #855385 - CVE-2012-4412 glibc: strcoll() integer overflow leading 
to buffer overflow
        https://bugzilla.redhat.com/show_bug.cgi?id=855385
  [ 3 ] Bug #976408 - CVE-2013-2207 glibc (pt_chown): Improper pseudotty 
ownership and permissions changes when granting access to the slave 
pseudoterminal
        https://bugzilla.redhat.com/show_bug.cgi?id=976408
  [ 4 ] Bug #947882 - CVE-2013-1914 glibc: Stack (frame) overflow in 
getaddrinfo() when processing entry mapping to long list of address structures
        https://bugzilla.redhat.com/show_bug.cgi?id=947882
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This update can be installed with the "yum" update program.  Use 
su -c 'yum update glibc' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.

All packages are signed with the Fedora Project GPG key.  More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
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