NULL Pointer Dereference Affecting gd package, versions <2.3.0-r0


Severity

Recommended
0.0
high
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    1.31% (87th percentile)

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  • Snyk ID SNYK-ALPINE312-GD-589187
  • published 21 Jul 2020
  • disclosed 11 Feb 2020

How to fix?

Upgrade Alpine:3.12 gd to version 2.3.0-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gd package and not the gd package as distributed by Alpine. See How to fix? for Alpine:3.12 relevant fixed versions and status.

gdImageClone in gd.c in libgd 2.1.0-rc2 through 2.2.5 has a NULL pointer dereference allowing attackers to crash an application via a specific function call sequence. Only affects PHP when linked with an external libgd (not bundled).

CVSS Scores

version 3.1
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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
Expand this section

SUSE

5.3 medium