Arbitrary Code Injection Affecting rmt-server package, versions <2.6.5-3.18.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating

    Threat Intelligence

    EPSS
    0.22% (60th percentile)

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  • Snyk ID SNYK-SLES151-RMTSERVER-2697170
  • published 14 Apr 2022
  • disclosed 5 Nov 2020

How to fix?

Upgrade SLES:15.1 rmt-server to version 2.6.5-3.18.1 or higher.

NVD Description

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

In Puma (RubyGem) before 4.3.3 and 3.12.4, if an application using Puma allows untrusted input in an early-hints header, an attacker can use a carriage return character to end the header and inject malicious content, such as additional headers or an entirely new response body. This vulnerability is known as HTTP Response Splitting. While not an attack in itself, response splitting is a vector for several other attacks, such as cross-site scripting (XSS). This is related to CVE-2020-5247, which fixed this vulnerability but only for regular responses. This has been fixed in 4.3.3 and 3.12.4.

CVSS Scores

version 3.1
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NVD

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

6.5 medium
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Red Hat

5.3 medium