CVE-2018-16873

Aliases:GO-2022-0189
Advisory lineage Upstream: 0 Downstream: 38
Modified
Published: 14 Dec 2018, 14:00
Last modified:05 Aug 2024, 10:32

Vulnerability Summary

Overall Risk (default)
medium
44/100
CVSS Score
8.1 HIGH
v3.1 (nvd)
EPSS Score
56.8% CRITICAL
57% probability -3.80%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Dec 2018, 14:00
Published
Vulnerability first disclosed
05 Aug 2024, 10:32
Last Modified
Vulnerability information updated

Description

In Go before 1.10.6 and 1.11.x before 1.11.3, the "go get" command is vulnerable to remote code execution when executed with the -u flag and the import path of a malicious Go package, or a package that imports it directly or indirectly. Specifically, it is only vulnerable in GOPATH mode, but not in module mode (the distinction is documented at https://golang.org/cmd/go/#hdr-Module_aware_go_get). Using custom domains, it's possible to arrange things so that a Git repository is cloned to a folder named ".git" by using a vanity import path that ends with "/.git". If the Git repository root contains a "HEAD" file, a "config" file, an "objects" directory, a "refs" directory, with some work to ensure the proper ordering of operations, "go get -u" can be tricked into considering the parent directory as a repository root, and running Git commands on it. That will use the "config" file in the original Git repository root for its configuration, and if that config file contains malicious commands, they will execute on the system running "go get -u".

CVSS Metrics

  • v3.1•HIGH•Score: 8.1CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
  • v3.0•HIGH•Score: 7.5CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
  • v2.0•MEDIUM•Score: 6.8AV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 56.80%• Percentile: 98%

Techniques & Countermeasures

  • CWE-20•Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected Systems

  • debian•debian_linux

    9.0

  • golang•go

    < 1.10.6 | ≥ 1.11.0, < 1.11.3

  • Go•toolchain

    ≥ 1.11.0-0, < 1.11.3

  • opensuse•backports_sle

    15.0

  • opensuse•leap

    15.0 | 15.1 | 42.3

  • suse•linux_enterprise_server

    12

  • [unknown]•golang

    1.10.6 | 1.11.3

References (16)