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AUSCERT External Security Bulletin Redistribution
ESB-2019.4245
SUSE-SU-2019:14215-1 Security update for tar
12 November 2019
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AusCERT Security Bulletin Summary
---------------------------------
Product: tar
Publisher: SUSE
Operating System: SUSE
Impact/Access: Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2019-9923 CVE-2018-20482
Reference: ESB-2019.1246
ESB-2019.0019
Original Bulletin:
https://www.suse.com/support/update/announcement/2019/suse-su-201914215-1.html
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SUSE Security Update: Security update for tar
______________________________________________________________________________
Announcement ID: SUSE-SU-2019:14215-1
Rating: moderate
References: #1120610 #1130496 #1152736
Cross-References: CVE-2018-20482 CVE-2019-9923
Affected Products:
SUSE Linux Enterprise Server 11-SP4-LTSS
SUSE Linux Enterprise Point of Sale 11-SP3
SUSE Linux Enterprise Debuginfo 11-SP4
SUSE Linux Enterprise Debuginfo 11-SP3
______________________________________________________________________________
An update that solves two vulnerabilities and has one errata is now available.
Description:
This update for tar to version 1.27.1 fixes the following issues:
tar 1.27.1 brings following changes (jsc#ECO-339)
o Sparse files with large data
o No backticks in quoting
o --owner and --group names and numbers
o Support for POSIX ACLs, extended attributes and SELinux context.
o Passing command line arguments to external commands.
o New configure option --enable-gcc-warnings, intended for debugging.
o New warning control option --warning=[no-]record-size
o New command line option --keep-directory-symlink
o Fix unquoting of file names obtained via the -T option.
o Fix GNU long link header timestamp (backward compatibility).
Security issues fixed:
o CVE-2019-9923: Fixed a denial of service while parsing certain archives
with malformed extended headers in pax_decode_header() (bsc#1130496).
o CVE-2018-20482: Fixed a denial of service when the '--sparse' option
mishandles file shrinkage during read access (bsc#1120610).
Patch Instructions:
To install this SUSE Security Update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
o SUSE Linux Enterprise Server 11-SP4-LTSS:
zypper in -t patch slessp4-tar-14215=1
o SUSE Linux Enterprise Point of Sale 11-SP3:
zypper in -t patch sleposp3-tar-14215=1
o SUSE Linux Enterprise Debuginfo 11-SP4:
zypper in -t patch dbgsp4-tar-14215=1
o SUSE Linux Enterprise Debuginfo 11-SP3:
zypper in -t patch dbgsp3-tar-14215=1
Package List:
o SUSE Linux Enterprise Server 11-SP4-LTSS (i586 ppc64 s390x x86_64):
tar-1.27.1-14.8.1
o SUSE Linux Enterprise Point of Sale 11-SP3 (i586):
tar-1.27.1-14.8.1
o SUSE Linux Enterprise Debuginfo 11-SP4 (i586 ppc64 s390x x86_64):
tar-debuginfo-1.27.1-14.8.1
tar-debugsource-1.27.1-14.8.1
o SUSE Linux Enterprise Debuginfo 11-SP3 (i586 s390x x86_64):
tar-debuginfo-1.27.1-14.8.1
tar-debugsource-1.27.1-14.8.1
References:
o https://www.suse.com/security/cve/CVE-2018-20482.html
o https://www.suse.com/security/cve/CVE-2019-9923.html
o https://bugzilla.suse.com/1120610
o https://bugzilla.suse.com/1130496
o https://bugzilla.suse.com/1152736
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