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amazonAmazonALAS-2021-1462
HistoryJan 12, 2021 - 10:51 p.m.

Important: libX11

2021-01-1222:51:00
alas.aws.amazon.com
16

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.6 Medium

CVSS2

Access Vector

LOCAL

Access 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

0.0004 Low

EPSS

Percentile

5.3%

JSON

Issue Overview:

An integer overflow vulnerability leading to a double-free was found in libX11. This flaw allows a local privileged attacker to cause an application compiled with libX11 to crash, or in some cases, result in arbitrary code execution. The highest threat from this flaw is to confidentiality, integrity as well as system availability. (CVE-2020-14363)

Affected Packages:

libX11

Issue Correction:
Run yum update libX11 to update your system.

New Packages:

i686:  
    libX11-common-1.6.0-2.2.13.amzn1.i686  
    libX11-devel-1.6.0-2.2.13.amzn1.i686  
    libX11-1.6.0-2.2.13.amzn1.i686  
    libX11-debuginfo-1.6.0-2.2.13.amzn1.i686  
  
src:  
    libX11-1.6.0-2.2.13.amzn1.src  
  
x86_64:  
    libX11-1.6.0-2.2.13.amzn1.x86_64  
    libX11-common-1.6.0-2.2.13.amzn1.x86_64  
    libX11-debuginfo-1.6.0-2.2.13.amzn1.x86_64  
    libX11-devel-1.6.0-2.2.13.amzn1.x86_64

Additional References

Red Hat: CVE-2020-14363

Mitre: CVE-2020-14363

Related

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gentoo 1
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7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.6 Medium

CVSS2

Access Vector

LOCAL

Access 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

0.0004 Low

EPSS

Percentile

5.3%

JSON
Related for ALAS-2021-1462
suse2nessus46osv5ubuntucve1redhatcve1openvas27debian1amazon2debiancve1alpinelinux1freebsd1veracode1prion1oraclelinux3redhat8cve1mageia1centos2fedora3gentoo1cloudfoundry1ubuntu2rocky1almalinux1ibm1