Out-of-bounds Write Affecting libcurl package, versions <0:7.61.1-11.amzn2.0.2


Severity

Recommended
low

Based on Amazon Linux security rating

    Threat Intelligence

    EPSS
    5.26% (94th percentile)

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  • Snyk ID SNYK-AMZN2-LIBCURL-1671191
  • published 27 Sep 2021
  • disclosed 28 May 2019

How to fix?

Upgrade Amazon-Linux:2 libcurl to version 0:7.61.1-11.amzn2.0.2 or higher.
This issue was patched in ALAS2-2019-1233.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libcurl package and not the libcurl package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

A heap buffer overflow in the TFTP receiving code allows for DoS or arbitrary code execution in libcurl versions 7.19.4 through 7.64.1.

CVSS Scores

version 3.1
Expand this section

NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

Red Hat

7 high