Attacker Value
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Exploitability
Unknown
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User Interaction
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Privileges Required
Unknown
Attack Vector
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0

CVE-2024-43167

Disclosure Date: August 12, 2024
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Description

DISPUTE NOTE: this issue does not pose a security risk as it (according to analysis by the original software developer, NLnet Labs) falls within the expected functionality and security controls of the application. Red Hat has made a claim that there is a security risk within Red Hat products. NLnet Labs has no further information about the claim, and suggests that affected Red Hat customers refer to available Red Hat documentation or support channels. ORIGINAL DESCRIPTION: A NULL pointer dereference flaw was found in the ub_ctx_set_fwd function in Unbound. This issue could allow an attacker who can invoke specific sequences of API calls to cause a segmentation fault. When certain API functions such as ub_ctx_set_fwd and ub_ctx_resolvconf are called in a particular order, the program attempts to read from a NULL pointer, leading to a crash. This issue can result in a denial of service by causing the application to terminate unexpectedly.

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CVSS V3 Severity and Metrics
Base Score:
None
Impact Score:
Unknown
Exploitability Score:
Unknown
Vector:
Unknown
Attack Vector (AV):
Unknown
Attack Complexity (AC):
Unknown
Privileges Required (PR):
Unknown
User Interaction (UI):
Unknown
Scope (S):
Unknown
Confidentiality (C):
Unknown
Integrity (I):
Unknown
Availability (A):
Unknown

General Information

Vendors

  • Red Hat

Products

  • Red Hat Enterprise Linux 6,
  • Red Hat Enterprise Linux 7,
  • Red Hat Enterprise Linux 8,
  • Red Hat Enterprise Linux 9,
  • Red Hat OpenShift Container Platform 4,
  • Red Hat OpenStack Platform 16.2,
  • Red Hat OpenStack Platform 17.1,
  • Red Hat OpenStack Platform 18.0

Additional Info

Technical Analysis