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centosCentOS ProjectCESA-2010:0061
HistoryJan 20, 2010 - 5:49 p.m.

gzip security update

2010-01-2017:49:37
CentOS Project
lists.centos.org
45

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.061 Low

EPSS

Percentile

93.4%

CentOS Errata and Security Advisory CESA-2010:0061

The gzip package provides the GNU gzip data compression program.

An integer underflow flaw, leading to an array index error, was found in
the way gzip expanded archive files compressed with the Lempel-Ziv-Welch
(LZW) compression algorithm. If a victim expanded a specially-crafted
archive, it could cause gzip to crash or, potentially, execute arbitrary
code with the privileges of the user running gzip. This flaw only affects
64-bit systems. (CVE-2010-0001)

Red Hat would like to thank Aki Helin of the Oulu University Secure
Programming Group for responsibly reporting this flaw.

Users of gzip should upgrade to this updated package, which contains a
backported patch to correct this issue.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2010-January/078629.html
https://lists.centos.org/pipermail/centos-announce/2010-January/078630.html
https://lists.centos.org/pipermail/centos-announce/2010-January/078637.html
https://lists.centos.org/pipermail/centos-announce/2010-January/078638.html
https://lists.centos.org/pipermail/centos-announce/2010-January/091400.html
https://lists.centos.org/pipermail/centos-announce/2010-January/091401.html
https://lists.centos.org/pipermail/centos-announce/2010-January/091402.html

Affected packages:
gzip

Upstream details at:
https://access.redhat.com/errata/RHSA-2010:0061

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.061 Low

EPSS

Percentile

93.4%