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Out-of-bounds Read Affecting libssh2 package, versions <0:1.4.2-3.13.amzn1

0.0
medium

Snyk CVSS

    Attack Complexity High
    User Interaction Required

    Threat Intelligence

    EPSS 4.63% (93rd percentile)
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NVD
9.1 critical
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SUSE
3.5 low
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Red Hat
5 medium

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  • Snyk ID SNYK-AMZN201803-LIBSSH2-5668902
  • published 7 Jun 2023
  • disclosed 25 Mar 2019
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Introduced: 25 Mar 2019

CVE-2019-3860 Open this link in a new tab
CWE-125 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 libssh2 to version 0:1.4.2-3.13.amzn1 or higher.
This issue was patched in ALAS-2023-1756.

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:2018.03 relevant fixed versions and status.

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way SFTP packets with empty payloads are parsed. A remote attacker who compromises a SSH server may be able to cause a Denial of Service or read data in the client memory.

References