CVE-2021-27645

Published at:
2021-02-24T15:15:13.837

Global infos:

The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2.29 through 2.33, when processing a request for netgroup lookup, may crash due to a double-free, potentially resulting in degraded service or Denial of Service on the local system. This is related to netgroupcache.c.

CVE Status: Modified

References:

  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • [email protected]
  • af854a3a-2127-422b-91ae-364da2661108
  • af854a3a-2127-422b-91ae-364da2661108
  • af854a3a-2127-422b-91ae-364da2661108
  • af854a3a-2127-422b-91ae-364da2661108
  • af854a3a-2127-422b-91ae-364da2661108
  • Metrics:

    AttributeValue
    Attack ComplexityHIGH
    Attack VectorLOCAL
    Availability ImpactLOW
    Base Score2.5
    Base SeverityLOW
    Confidentiality ImpactNONE
    Integrity ImpactNONE
    Privileges RequiredLOW
    ScopeUNCHANGED
    User InteractionNONE
    Vector StringCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
    Exploitability Score1
    Impact Score1.4
    Source[email protected]
    TypePrimary

    Links:

    Exploit-db
    Github