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amazonAmazonALAS2-2023-2255
HistorySep 13, 2023 - 11:44 p.m.

Medium: gsl

2023-09-1323:44:00
alas.aws.amazon.com
11
buffer overflow
gnu scientific library
amazon linux 2
update
code execution
vulnerability

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7

Confidence

High

EPSS

0.001

Percentile

31.4%

Issue Overview:

A buffer overflow can occur when calculating the quantile value using the Statistics Library of GSL (GNU Scientific Library), versions 2.5 and 2.6. Processing a maliciously crafted input data for gsl_stats_quantile_from_sorted_data of the library may lead to unexpected application termination or arbitrary code execution. (CVE-2020-35357)

Affected Packages:

gsl

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 gsl to update your system.

New Packages:

aarch64:  
    gsl-1.15-13.amzn2.0.2.aarch64  
    gsl-devel-1.15-13.amzn2.0.2.aarch64  
    gsl-debuginfo-1.15-13.amzn2.0.2.aarch64  
  
i686:  
    gsl-1.15-13.amzn2.0.2.i686  
    gsl-devel-1.15-13.amzn2.0.2.i686  
    gsl-debuginfo-1.15-13.amzn2.0.2.i686  
  
src:  
    gsl-1.15-13.amzn2.0.2.src  
  
x86_64:  
    gsl-1.15-13.amzn2.0.2.x86_64  
    gsl-devel-1.15-13.amzn2.0.2.x86_64  
    gsl-debuginfo-1.15-13.amzn2.0.2.x86_64  

Additional References

Red Hat: CVE-2020-35357

Mitre: CVE-2020-35357

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

7

Confidence

High

EPSS

0.001

Percentile

31.4%