Integer Overflow or Wraparound Affecting libssh2-1-32bit package, versions <1.9.0-4.13.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.23% (62nd percentile)

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  • Snyk IDSNYK-SLES151-LIBSSH2132BIT-2695052
  • published14 Apr 2022
  • disclosed27 Nov 2020

Introduced: 27 Nov 2020

CVE-2019-17498  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade SLES:15.1 libssh2-1-32bit to version 1.9.0-4.13.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libssh2-1-32bit package and not the libssh2-1-32bit package as distributed by SLES. See How to fix? for SLES:15.1 relevant fixed versions and status.

In libssh2 v1.9.0 and earlier versions, the SSH_MSG_DISCONNECT logic in packet.c has an integer overflow in a bounds check, enabling an attacker to specify an arbitrary (out-of-bounds) offset for a subsequent memory read. A crafted SSH server may be able to disclose sensitive information or cause a denial of service condition on the client system when a user connects to the server.

CVSS Scores

version 3.1