Improper Authentication Affecting ruby2.5-stdlib package, versions <2.5.7-4.8.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating

    Threat Intelligence

    EPSS
    0.66% (80th percentile)

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  • Snyk ID SNYK-SLES151-RUBY25STDLIB-2714061
  • published 14 Apr 2022
  • disclosed 20 Mar 2020

How to fix?

Upgrade SLES:15.1 ruby2.5-stdlib to version 2.5.7-4.8.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby2.5-stdlib package and not the ruby2.5-stdlib package as distributed by SLES. See How to fix? for SLES:15.1 relevant fixed versions and status.

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network.

CVSS Scores

version 3.1
Expand this section

NVD

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