Vulnerability CVE-2017-17432
Published: 2017-12-05   Modified: 2017-12-06

Description:
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.

Type:

CWE-617

 (Reachable Assertion)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.8/10
6.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Complete
Affected software
Openafs -> Openafs 
Debian -> Debian linux 

 References:
https://bugs.debian.org/883602
https://lists.debian.org/debian-lts-announce/2017/12/msg00016.html
https://www.debian.org/security/2017/dsa-4067
https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txt
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