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debianDebianDEBIAN:DSA-3289-1:350E6
HistoryJun 15, 2015 - 5:18 p.m.

[SECURITY] [DSA 3289-1] p7zip security update

2015-06-1517:18:41
lists.debian.org
14

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

AI Score

5.6

Confidence

Low

EPSS

0.023

Percentile

90.0%


Debian Security Advisory DSA-3289-1 [email protected]
https://www.debian.org/security/ Ben Hutchings
June 15, 2015 https://www.debian.org/security/faq


Package : p7zip
CVE ID : CVE-2015-1038
Debian Bug : 774660

Alexander Cherepanov discovered that p7zip is susceptible to a
directory traversal vulnerability. While extracting an archive, it
will extract symlinks and then follow them if they are referenced in
further entries. This can be exploited by a rogue archive to write
files outside the current directory.

For the oldstable distribution (wheezy), this problem has been fixed
in version 9.20.1~dfsg.1-4+deb7u1.

For the stable distribution (jessie), this problem has been fixed in
version 9.20.1~dfsg.1-4.1+deb8u1.

For the unstable distribution (sid), this problem has been fixed in
version 9.20.1~dfsg.1-4.2.

We recommend that you upgrade your p7zip packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

CVSS2

5.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

AI Score

5.6

Confidence

Low

EPSS

0.023

Percentile

90.0%