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amazonAmazonALAS-2023-1859
HistoryOct 12, 2023 - 3:48 p.m.

Medium: libX11

2023-10-1215:48:00
alas.aws.amazon.com
16
libx11
out-of-bounds
heap overflow
update
cve-2023-43785
cve-2023-43787
integer overflow
memory access

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

0.0004 Low

EPSS

Percentile

5.1%

Issue Overview:

libX11: out-of-bounds memory access in _XkbReadKeySyms() (CVE-2023-43785)

libX11: integer overflow in XCreateImage() leading to a heap overflow. (CVE-2023-43787)

Affected Packages:

libX11

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

New Packages:

i686:  
    libX11-devel-1.6.0-2.2.16.amzn1.i686  
    libX11-common-1.6.0-2.2.16.amzn1.i686  
    libX11-1.6.0-2.2.16.amzn1.i686  
    libX11-debuginfo-1.6.0-2.2.16.amzn1.i686  
  
src:  
    libX11-1.6.0-2.2.16.amzn1.src  
  
x86_64:  
    libX11-debuginfo-1.6.0-2.2.16.amzn1.x86_64  
    libX11-common-1.6.0-2.2.16.amzn1.x86_64  
    libX11-devel-1.6.0-2.2.16.amzn1.x86_64  
    libX11-1.6.0-2.2.16.amzn1.x86_64  

Additional References

Red Hat: CVE-2023-43785, CVE-2023-43787

Mitre: CVE-2023-43785, CVE-2023-43787

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

0.0004 Low

EPSS

Percentile

5.1%