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Huawei EulerOS: CVE-2023-50868: unbound security update

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Huawei EulerOS: CVE-2023-50868: unbound security update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
02/14/2024
Created
07/02/2024
Added
07/01/2024
Modified
11/11/2024

Description

The Closest Encloser Proof aspect of the DNS protocol (in RFC 5155 when RFC 9276 guidance is skipped) allows remote attackers to cause a denial of service (CPU consumption for SHA-1 computations) via DNSSEC responses in a random subdomain attack, aka the "NSEC3" issue. The RFC 5155 specification implies that an algorithm must perform thousands of iterations of a hash function in certain situations.

Solution(s)

  • huawei-euleros-2_0_sp12-upgrade-python3-unbound
  • huawei-euleros-2_0_sp12-upgrade-unbound
  • huawei-euleros-2_0_sp12-upgrade-unbound-libs

References

  • https://attackerkb.com/topics/cve-2023-50868
  • CVE - 2023-50868
  • EulerOS-SA-2024-1877
  • 查看数 708
  • 已创建
  • 最后回复

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