Authentication Bypass by Primary Weakness Affecting libcurl-devel package, versions <0:7.61.1-30.el8_8.3


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.26% (67th percentile)

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  • Snyk ID SNYK-RHEL8-LIBCURLDEVEL-5832448
  • published 21 Mar 2023
  • disclosed 20 Mar 2023

How to fix?

Upgrade RHEL:8 libcurl-devel to version 0:7.61.1-30.el8_8.3 or higher.
This issue was patched in RHSA-2023:4523.

NVD Description

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

An authentication bypass vulnerability exists libcurl <8.0.0 in the connection reuse feature which can reuse previously established connections with incorrect user permissions due to a failure to check for changes in the CURLOPT_GSSAPI_DELEGATION option. This vulnerability affects krb5/kerberos/negotiate/GSSAPI transfers and could potentially result in unauthorized access to sensitive information. The safest option is to not reuse connections if the CURLOPT_GSSAPI_DELEGATION option has been changed.

CVSS Scores

version 3.1
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NVD

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

5.9 medium
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SUSE

5.8 medium