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Test ID:1.3.6.1.4.1.25623.1.0.844955
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory (USN-4968-1)
Summary:The remote host is missing an update for the 'lz4' package(s) announced via the USN-4968-1 advisory.
Description:Summary:
The remote host is missing an update for the 'lz4' package(s) announced via the USN-4968-1 advisory.

Vulnerability Insight:
It was discovered that LZ4 incorrectly handled certain memory operations.
If a user or automated system were tricked into uncompressing a specially-
crafted LZ4 file, a remote attacker could use this issue to cause LZ4 to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

Affected Software/OS:
'lz4' package(s) on Ubuntu 18.04, Ubuntu 20.04, Ubuntu 20.10, Ubuntu 21.04.

Solution:
Please install the updated package(s).

CVSS Score:
7.5

CVSS Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2021-3520
https://bugzilla.redhat.com/show_bug.cgi?id=1954559
https://security.netapp.com/advisory/ntap-20211104-0005/
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpuoct2021.html
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