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amazonAmazonALAS2-2023-2184
HistoryAug 03, 2023 - 6:09 p.m.

Medium: cups

2023-08-0318:09:00
alas.aws.amazon.com
6
openprinting cups
heap buffer overflow
denial of service
cupsd.conf
loglevel
debug
amazon linux 2
update
yum
aarch64
i686
noarch
src
x86_64
red hat
mitre

7.5 High

CVSS3

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

6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

32.9%

Issue Overview:

OpenPrinting CUPS is an open source printing system. In versions 2.4.2 and prior, a heap buffer overflow vulnerability would allow a remote attacker to launch a denial of service (DoS) attack. A buffer overflow vulnerability in the function format_log_line could allow remote attackers to cause a DoS on the affected system. Exploitation of the vulnerability can be triggered when the configuration file cupsd.conf sets the value of loglevel to DEBUG. No known patches or workarounds exist at time of publication. (CVE-2023-32324)

Affected Packages:

cups

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 cups to update your system.

New Packages:

aarch64:  
    cups-1.6.3-51.amzn2.0.2.aarch64  
    cups-client-1.6.3-51.amzn2.0.2.aarch64  
    cups-devel-1.6.3-51.amzn2.0.2.aarch64  
    cups-libs-1.6.3-51.amzn2.0.2.aarch64  
    cups-lpd-1.6.3-51.amzn2.0.2.aarch64  
    cups-ipptool-1.6.3-51.amzn2.0.2.aarch64  
    cups-debuginfo-1.6.3-51.amzn2.0.2.aarch64  
  
i686:  
    cups-1.6.3-51.amzn2.0.2.i686  
    cups-client-1.6.3-51.amzn2.0.2.i686  
    cups-devel-1.6.3-51.amzn2.0.2.i686  
    cups-libs-1.6.3-51.amzn2.0.2.i686  
    cups-lpd-1.6.3-51.amzn2.0.2.i686  
    cups-ipptool-1.6.3-51.amzn2.0.2.i686  
    cups-debuginfo-1.6.3-51.amzn2.0.2.i686  
  
noarch:  
    cups-filesystem-1.6.3-51.amzn2.0.2.noarch  
  
src:  
    cups-1.6.3-51.amzn2.0.2.src  
  
x86_64:  
    cups-1.6.3-51.amzn2.0.2.x86_64  
    cups-client-1.6.3-51.amzn2.0.2.x86_64  
    cups-devel-1.6.3-51.amzn2.0.2.x86_64  
    cups-libs-1.6.3-51.amzn2.0.2.x86_64  
    cups-lpd-1.6.3-51.amzn2.0.2.x86_64  
    cups-ipptool-1.6.3-51.amzn2.0.2.x86_64  
    cups-debuginfo-1.6.3-51.amzn2.0.2.x86_64  

Additional References

Red Hat: CVE-2023-32324

Mitre: CVE-2023-32324

7.5 High

CVSS3

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

6 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

32.9%