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amazonAmazonALAS-2023-1834
HistorySep 13, 2023 - 11:15 p.m.

Important: libssh2

2023-09-1323:15:00
alas.aws.amazon.com
15
libssh2
update
memory access
vulnerability
cve-2020-22218
red hat
mitre
unix
i686
x86_64
src

CVSS3

7.5

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

AI Score

7.7

Confidence

High

EPSS

0.001

Percentile

35.3%

Issue Overview:

An issue was discovered in function _libssh2_packet_add in libssh2 1.10.0 allows attackers to access out of bounds memory. (CVE-2020-22218)

Affected Packages:

libssh2

Issue Correction:
Run yum update libssh2 to update your system.

New Packages:

i686:  
    libssh2-docs-1.4.2-3.14.amzn1.i686  
    libssh2-debuginfo-1.4.2-3.14.amzn1.i686  
    libssh2-1.4.2-3.14.amzn1.i686  
    libssh2-devel-1.4.2-3.14.amzn1.i686  
  
src:  
    libssh2-1.4.2-3.14.amzn1.src  
  
x86_64:  
    libssh2-devel-1.4.2-3.14.amzn1.x86_64  
    libssh2-docs-1.4.2-3.14.amzn1.x86_64  
    libssh2-1.4.2-3.14.amzn1.x86_64  
    libssh2-debuginfo-1.4.2-3.14.amzn1.x86_64  

Additional References

Red Hat: CVE-2020-22218

Mitre: CVE-2020-22218

CVSS3

7.5

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

AI Score

7.7

Confidence

High

EPSS

0.001

Percentile

35.3%