Integer Overflow or Wraparound Affecting qemu-kvm-block-iscsi package, versions <15:2.12.0-64.module+el8.0.0+5219+3c0c6858.2


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.33% (72nd percentile)

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  • Snyk ID SNYK-ORACLE8-QEMUKVMBLOCKISCSI-2535530
  • published 10 Apr 2022
  • disclosed 25 Mar 2019

How to fix?

Upgrade Oracle:8 qemu-kvm-block-iscsi to version 15:2.12.0-64.module+el8.0.0+5219+3c0c6858.2 or higher.
This issue was patched in ELSA-2019-1175.

NVD Description

Note: Versions mentioned in the description apply only to the upstream qemu-kvm-block-iscsi package and not the qemu-kvm-block-iscsi package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

An integer overflow flaw which could lead to an out of bounds write was discovered in libssh2 before 1.8.1 in the way SSH_MSG_CHANNEL_REQUEST packets with an exit signal are parsed. A remote attacker who compromises a SSH server may be able to execute code on the client system when a user connects to the server.

CVSS Scores

version 3.1
Expand this section

NVD

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