CVE-2022-41716 (GCVE-0-2022-41716)

Vulnerability from cvelistv5 – Published: 2022-11-02 15:28 – Updated: 2024-10-30 13:59
VLAI?
Title
Unsanitized NUL in environment variables on Windows in syscall and os/exec
Summary
Due to unsanitized NUL values, attackers may be able to maliciously set environment variables on Windows. In syscall.StartProcess and os/exec.Cmd, invalid environment variable values containing NUL values are not properly checked for. A malicious environment variable value can exploit this behavior to set a value for a different environment variable. For example, the environment variable string "A=B\x00C=D" sets the variables "A=B" and "C=D".
Severity ?
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CWE
  • CWE-158 - Improper Neutralization of Null Byte or NUL Character
Assigner
Go
References
Impacted products
Vendor Product Version
Go standard library syscall Affected: 0 , < 1.18.8 (semver)
Affected: 1.19.0-0 , < 1.19.3 (semver)
Create a notification for this product.
Go standard library os/exec Affected: 0 , < 1.18.8 (semver)
Affected: 1.19.0-0 , < 1.19.3 (semver)
Create a notification for this product.
Credits
RyotaK (https://twitter.com/ryotkak)
Show details on NVD website
To clipboard 

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}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.