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Improper Authentication Affecting linux-4.9 package, versions <4.9.144-3.1~deb8u1

Severity

 Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.16% (54th percentile)

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  • Snyk IDSNYK-DEBIAN8-LINUX49-340573
  • published11 Jul 2018
  • disclosed10 Jul 2018
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Introduced: 10 Jul 2018

CVE-2018-1129  (opens in a new tab)
CWE-287  (opens in a new tab)

How to fix?

Upgrade Debian:8 linux-4.9 to version 4.9.144-3.1~deb8u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-4.9 package and not the linux-4.9 package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

A flaw was found in the way signature calculation was handled by cephx authentication protocol. An attacker having access to ceph cluster network who is able to alter the message payload was able to bypass signature checks done by cephx protocol. Ceph branches master, mimic, luminous and jewel are believed to be vulnerable.