NULL Pointer Dereference Affecting lrzip package, versions <0.640-1


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment

    Threat Intelligence

    EPSS
    0.08% (36th percentile)

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  • Snyk ID SNYK-DEBIAN11-LRZIP-1304720
  • published 10 Apr 2022
  • disclosed 10 Jun 2021

How to fix?

Upgrade Debian:11 lrzip to version 0.640-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream lrzip package and not the lrzip package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

A null pointer dereference was discovered lzo_decompress_buf in stream.c in Irzip 0.621 which allows an attacker to cause a denial of service (DOS) via a crafted compressed file.

CVSS Scores

version 3.1
Expand this section

NVD

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