CVE-2022-2879

Description

Reader.Read does not set a limit on the maximum size of file headers. A maliciously crafted archive could cause Read to allocate unbounded amounts of memory, potentially causing resource exhaustion or panics. After fix, Reader.Read limits the maximum size of header blocks to 1 MiB.

CVSS Metrics

• v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.02%• Percentile: 4%

Techniques & Countermeasures

• CWE-770•Allocation of Resources Without Limits or Throttling

  The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

Affected Systems

• go standard library•archive/tar

  < 1.18.7 | ≥ 1.19.0-0, < 1.19.2

• golang•go

  < 1.18.7 | ≥ 1.19.0, < 1.19.2

• Go•stdlib

  ≥ 1.19.0-0, < 1.19.2

References (5)

• https://go.dev/issue/54853
• https://go.dev/cl/439355
• https://groups.google.com/g/golang-announce/c/xtuG5faxtaU
• https://pkg.go.dev/vuln/GO-2022-1037
• https://security.gentoo.org/glsa/202311-09