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debianDebianDEBIAN:DSA-4557-1:6731F
HistoryOct 31, 2019 - 9:49 p.m.

[SECURITY] [DSA 4557-1] libarchive security update

2019-10-3121:49:27
lists.debian.org
76

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.1

Confidence

High

EPSS

0.012

Percentile

85.0%


Debian Security Advisory DSA-4557-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
October 31, 2019 https://www.debian.org/security/faq


Package : libarchive
CVE ID : CVE-2019-18408

A use-after-free was found in libarchive, a multi-format archive and
compression library, which could result in denial of service and
potentially the execution of arbitrary code is a malformed archive
is processed.

For the oldstable distribution (stretch), this problem has been fixed
in version 3.2.2-2+deb9u2.

For the stable distribution (buster), this problem has been fixed in
version 3.3.3-4+deb10u1.

We recommend that you upgrade your libarchive packages.

For the detailed security status of libarchive please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libarchive

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

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

8.1

Confidence

High

EPSS

0.012

Percentile

85.0%