Use After Free Affecting webkit2gtk3-jsc package, versions <0:2.32.3-2.el8


Severity

Recommended
medium

Based on Rocky Linux security rating

    Threat Intelligence

    EPSS
    0.45% (76th percentile)

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  • Snyk ID SNYK-ROCKY8-WEBKIT2GTK3JSC-3283304
  • published 5 Jan 2023
  • disclosed 8 Jul 2021

How to fix?

Upgrade Rocky-Linux:8 webkit2gtk3-jsc to version 0:2.32.3-2.el8 or higher.
This issue was patched in RLSA-2021:4381.

NVD Description

Note: Versions mentioned in the description apply only to the upstream webkit2gtk3-jsc package and not the webkit2gtk3-jsc package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim needs to visit a malicious web site to trigger the vulnerability.

CVSS Scores

version 3.1
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NVD

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

8.8 high
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Red Hat

8.8 high