Resource Exhaustion Affecting skopeo package, versions <2:1.6.2-8.module+el8.9.0+19104+fcef53a3


Severity

Recommended
medium

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.3% (71st percentile)

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  • Snyk ID SNYK-CENTOS8-SKOPEO-5413572
  • published 5 Apr 2023
  • disclosed 4 Apr 2023

How to fix?

Upgrade Centos:8 skopeo to version 2:1.6.2-8.module+el8.9.0+19104+fcef53a3 or higher.

NVD Description

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

HTTP and MIME header parsing can allocate large amounts of memory, even when parsing small inputs, potentially leading to a denial of service. Certain unusual patterns of input data can cause the common function used to parse HTTP and MIME headers to allocate substantially more memory than required to hold the parsed headers. An attacker can exploit this behavior to cause an HTTP server to allocate large amounts of memory from a small request, potentially leading to memory exhaustion and a denial of service. With fix, header parsing now correctly allocates only the memory required to hold parsed headers.

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
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Red Hat

7.5 high
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SUSE

7.5 high