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FKIE_CVE-2021-3998

Vulnerability from fkie_nvd - Published: 2022-08-24 16:15 - Updated: 2026-06-17 04:06
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
A flaw was found in glibc. The realpath() function can mistakenly return an unexpected value, potentially leading to information leakage and disclosure of sensitive data.
References
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2021-3998Third Party Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2024633Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://security-tracker.debian.org/tracker/CVE-2021-3998Third Party Advisory
secalert@redhat.comhttps://security.netapp.com/advisory/ntap-20221020-0003/Third Party Advisory
secalert@redhat.comhttps://sourceware.org/bugzilla/show_bug.cgi?id=28770Issue Tracking, Patch, Third Party Advisory
secalert@redhat.comhttps://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=84d2d0fe20bdf94feed82b21b4d7d136db471f03
secalert@redhat.comhttps://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=ee8d5e33adb284601c00c94687bc907e10aec9bb
secalert@redhat.comhttps://www.openwall.com/lists/oss-security/2022/01/24/4Mailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2021-3998Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2024633Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security-tracker.debian.org/tracker/CVE-2021-3998Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20221020-0003/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://sourceware.org/bugzilla/show_bug.cgi?id=28770Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=84d2d0fe20bdf94feed82b21b4d7d136db471f03
af854a3a-2127-422b-91ae-364da2661108https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Bh=ee8d5e33adb284601c00c94687bc907e10aec9bb
af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2022/01/24/4Mailing List, Patch, Third Party Advisory
Impacted products
Vendor Product Version
gnu glibc *
netapp ontap_select_deploy_administration_utility -
netapp h300s_firmware -
netapp h300s -
netapp h500s_firmware -
netapp h500s -
netapp h700s_firmware -
netapp h700s -
netapp h410s_firmware -
netapp h410s -
netapp h410c_firmware -
netapp h410c -
To clipboard 

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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.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.