CVE-2020-1752 (GCVE-0-2020-1752)

Vulnerability from cvelistv5 – Published: 2020-04-30 00:00 – Updated: 2024-08-04 06:46
VLAI
Summary
A use-after-free vulnerability introduced in glibc upstream version 2.14 was found in the way the tilde expansion was carried out. Directory paths containing an initial tilde followed by a valid username were affected by this issue. A local attacker could exploit this flaw by creating a specially crafted path that, when processed by the glob function, would potentially lead to arbitrary code execution. This was fixed in version 2.32.
Severity
7 (High)
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
GNU Libc glibc Affected: Affected: versions 2.14 and later
Affected: Fixed: version 2.32
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Las rutas de directorios que conten\u00edan una tilde inicial seguida de un nombre de usuario v\u00e1lido estaban afectadas por este problema. Un atacante local podr\u00eda explotar este fallo creando una ruta especialmente dise\u00f1ada que, al ser procesada por la funci\u00f3n glob, podr\u00eda conllevar a una ejecuci\u00f3n de c\u00f3digo arbitraria. 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  }
}


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Tags
Taxonomy of the tags.





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.