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HistoryDec 21, 2018 - 10:54 p.m.

[SECURITY] [DLA 1612-1] libarchive security update

2018-12-2122:54:10
lists.debian.org
92
libarchive
rar decoder
vulnerability
debian 8
upgrade
security advisories

CVSS2

6.8

Attack Vector

NETWORK

Attack 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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

9.3

Confidence

High

EPSS

0.008

Percentile

82.4%

Package : libarchive
Version : 3.1.2-11+deb8u6
CVE ID : CVE-2018-1000877 CVE-2018-1000878
Debian Bug : 916964 916963

Daniel Axtens discovered a double-free and use-after-free vulnerability
in libarchive's RAR decoder that can result in a denial-of-service
(application crash) or may have other unspecified impact when a
malformed RAR archive is processed.

For Debian 8 "Jessie", these problems have been fixed in version
3.1.2-11+deb8u6.

We recommend that you upgrade your libarchive packages.

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

CVSS2

6.8

Attack Vector

NETWORK

Attack 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

CVSS3

8.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

AI Score

9.3

Confidence

High

EPSS

0.008

Percentile

82.4%