VULNERABILITY

Oracle Linux: CVE-2019-25036: ELSA-2021-1853: unbound security, bug fix, and enhancement update (MODERATE) (Multiple Advisories)

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Oracle Linux: CVE-2019-25036: ELSA-2021-1853: unbound security, bug fix, and enhancement update (MODERATE) (Multiple Advisories)

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
12/11/2019
Created
05/29/2021
Added
05/26/2021
Modified
11/25/2024

Description

Unbound before 1.9.5 allows an assertion failure and denial of service in synth_cname. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited A flaw was found in unbound. A reachable assertion in the synth_cname function can be triggered by sending invalid packets to the server. If asserts are disabled during compilation, this issue might lead to an out-of-bounds write in dname_pkt_copy function. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.

Solution(s)

  • oracle-linux-upgrade-python3-unbound
  • oracle-linux-upgrade-unbound
  • oracle-linux-upgrade-unbound-devel
  • oracle-linux-upgrade-unbound-libs

References

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