OPENSUSE-SU-2021:2760-1

Vulnerability from csaf_opensuse - Published: 2021-08-17 15:11 - Updated: 2021-08-17 15:11
Summary
Security update for c-ares

Notes

Title of the patch
Security update for c-ares
Description of the patch
This update for c-ares fixes the following issues: Version update to git snapshot 1.17.1+20200724: - CVE-2021-3672: fixed missing input validation on hostnames returned by DNS servers (bsc#1188881) - If ares_getaddrinfo() was terminated by an ares_destroy(), it would cause crash - Crash in sortaddrinfo() if the list size equals 0 due to an unexpected DNS response - Expand number of escaped characters in DNS replies as per RFC1035 5.1 to prevent spoofing - Use unbuffered /dev/urandom for random data to prevent early startup performance issues
Patchnames
openSUSE-SLE-15.3-2021-2760
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
To clipboard 

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            "openSUSE Leap 15.3:libcares2-32bit-1.17.1+20200724-3.14.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2021-08-17T15:11:37Z",
          "details": "important"
        }
      ],
      "title": "CVE-2021-3672"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.