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amazonAmazonALAS2-2023-2295
HistoryOct 12, 2023 - 3:09 p.m.

Medium: libXpm

2023-10-1215:09:00
alas.aws.amazon.com
11
libxpm
integer overflow
heap overflow
out of bounds read
cve-2023-43787
cve-2023-43788
cve-2023-43789
amazon linux 2
red hat
mitre

CVSS3

7.8

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

AI Score

6.8

Confidence

High

EPSS

0

Percentile

5.1%

Issue Overview:

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

libXpm: out of bounds read in XpmCreateXpmImageFromBuffer()

NOTE: https://www.openwall.com/lists/oss-security/2023/10/03/1
NOTE: Fixed by: https://gitlab.freedesktop.org/xorg/lib/libxpm/-/commit/2fa554b01ef6079a9b35df9332bdc4f139ed67e0 (CVE-2023-43788)

libXpm: out of bounds read on XPM with corrupted colormap (CVE-2023-43789)

Affected Packages:

libXpm

Note:

This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.

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

New Packages:

aarch64:  
    libXpm-3.5.12-9.amzn2.0.2.aarch64  
    libXpm-devel-3.5.12-9.amzn2.0.2.aarch64  
    libXpm-debuginfo-3.5.12-9.amzn2.0.2.aarch64  
  
i686:  
    libXpm-3.5.12-9.amzn2.0.2.i686  
    libXpm-devel-3.5.12-9.amzn2.0.2.i686  
    libXpm-debuginfo-3.5.12-9.amzn2.0.2.i686  
  
src:  
    libXpm-3.5.12-9.amzn2.0.2.src  
  
x86_64:  
    libXpm-3.5.12-9.amzn2.0.2.x86_64  
    libXpm-devel-3.5.12-9.amzn2.0.2.x86_64  
    libXpm-debuginfo-3.5.12-9.amzn2.0.2.x86_64  

Additional References

Red Hat: CVE-2023-43787, CVE-2023-43788, CVE-2023-43789

Mitre: CVE-2023-43787, CVE-2023-43788, CVE-2023-43789

CVSS3

7.8

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

AI Score

6.8

Confidence

High

EPSS

0

Percentile

5.1%