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debianDebianDEBIAN:DLA-2487-1:F3EED
HistoryDec 09, 2020 - 7:51 p.m.

[SECURITY] [DLA 2487-1] apt security update

2020-12-0919:51:34
lists.debian.org
65

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

5.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

5.5 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.8%


Debian LTS Advisory DLA-2487-1 [email protected]
https://www.debian.org/lts/security/ Utkarsh Gupta
December 10, 2020 https://wiki.debian.org/LTS


Package : apt
Version : 1.4.11
CVE ID : CVE-2020-27350

It was discovered that missing input validation in the ar/tar
implementations of APT, the high level package manager, could cause
out-of-bounds reads or infinite loops, resulting in denial of service
when processing malformed deb files.

For Debian 9 stretch, this problem has been fixed in version
1.4.11.

We recommend that you upgrade your apt packages.

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

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

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

5.7 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

LOW

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

5.5 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.8%