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CVE-2017-17432

Good to know:

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Date: December 5, 2017

OpenAFS 1.x before 1.6.22 does not properly validate Rx ack packets, which allows remote attackers to cause a denial of service (system crash or application crash) via crafted fields, as demonstrated by an integer underflow and assertion failure for a small MTU value.

Language: C

Severity Score

Related Resources (7)

https://nvd.nist.gov/vuln/detail/CVE-2017-17432
https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txt
https://www.debian.org/security/2017/dsa-4067
https://bugs.debian.org/883602
https://lists.debian.org/debian-lts-announce/2017/12/msg00016.html
https://security-tracker.debian.org/tracker/CVE-2017-17432
https://www.mend.io/vulnerability-database/CVE-2017-17432

Severity Score

Weakness Type (CWE)

Integer Underflow (Wrap or Wraparound)

CWE-191

Reachable Assertion

CWE-617

Top Fix

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CVSS v3

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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