Out-of-bounds Read Affecting libssh2 package, versions <0:1.4.3-12.amzn2.2.6


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    0.06% (26th percentile)

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  • Snyk ID SNYK-AMZN2-LIBSSH2-5912463
  • published 21 Sep 2023
  • disclosed 22 Aug 2023

How to fix?

Upgrade Amazon-Linux:2 libssh2 to version 0:1.4.3-12.amzn2.2.6 or higher.
This issue was patched in ALAS2-2023-2257.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libssh2 package and not the libssh2 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

An issue was discovered in function _libssh2_packet_add in libssh2 1.10.0 allows attackers to access out of bounds memory.

CVSS Scores

version 3.1
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NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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Red Hat

7.5 high
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SUSE

7.5 high