Incorrect Calculation Affecting lua-libs package, versions <0:5.3.4-12.el8


Severity

Recommended
low

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.55% (78th percentile)

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  • Snyk ID SNYK-CENTOS8-LUALIBS-2147248
  • published 26 Jul 2021
  • disclosed 24 Jul 2020

How to fix?

Upgrade Centos:8 lua-libs to version 0:5.3.4-12.el8 or higher.

NVD Description

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

ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31).

CVSS Scores

version 3.1
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NVD

5.3 medium
  • 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)
    Low
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Red Hat

5.3 medium
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SUSE

4 medium