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Message #101950
[Bug 1328975] Re: libc6: getaddrinfo() sends DNS queries to random file descriptors
It looks like the bug may actually be fixed in trusty-security eglibc
2.19-0ubuntu6.6
eglibc (2.19-0ubuntu6.6) trusty-security; urgency=medium
* SECURITY UPDATE: getaddrinfo writes to random file descriptors under
high load
- debian/patches/any/cvs-resolv-reuse-fd.diff: reload file descriptor
after calling reopen in resolv/res_send.c.
- CVE-2013-7423
So this bug status is misleading; the issue should be fixed against
Trusty I believe.
** CVE added: http://www.cve.mitre.org/cgi-
bin/cvename.cgi?name=2013-7423
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https://bugs.launchpad.net/bugs/1328975
Title:
libc6: getaddrinfo() sends DNS queries to random file descriptors
Status in eglibc package in Ubuntu:
Invalid
Status in glibc package in Ubuntu:
Fix Released
Status in eglibc source package in Trusty:
Confirmed
Status in glibc source package in Trusty:
Invalid
Bug description:
There is an upstream report for debian here https://bugs.debian.org
/cgi-bin/bugreport.cgi?bug=722075 which has been fixed in eglibc
2.19.1 which is now in debian jessie/sid. See that upstream report
for a short program which replicates the bug. I was able to replicate
the bug on Ubuntu 14.04 using that test script.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: libc6 2.19-0ubuntu6
ProcVersionSignature: Ubuntu 3.13.0-29.53-generic 3.13.11.2
Uname: Linux 3.13.0-29-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.2
Architecture: amd64
Date: Wed Jun 11 16:32:43 2014
Dependencies:
gcc-4.9-base 4.9-20140406-0ubuntu1
libc6 2.19-0ubuntu6
libgcc1 1:4.9-20140406-0ubuntu1
multiarch-support 2.19-0ubuntu6
Ec2AMI: ami-30837058
Ec2AMIManifest: ubuntu-us-east-1/images/ubuntu-trusty-14.04-amd64-server-20140607.1.manifest.xml
Ec2AvailabilityZone: us-east-1a
Ec2InstanceType: c3.2xlarge
Ec2Kernel: aki-919dcaf8
Ec2Ramdisk: unavailable
ProcEnviron:
TERM=xterm-color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
SourcePackage: eglibc
UpgradeStatus: No upgrade log present (probably fresh install)
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