Vulnerability Details : CVE-2017-17432
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.
Vulnerability category: Denial of service
Products affected by CVE-2017-17432
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:a:openafs:openafs:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-17432
1.24%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 77 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-17432
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2017-17432
-
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-17432
-
https://bugs.debian.org/883602
#883602 - openafs: CVE-2017-17432: OPENAFS-SA-2017-001: Rx assertion failure from insufficient input validation - Debian Bug report logsIssue Tracking;Mailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2017/12/msg00016.html
[SECURITY] [DLA 1213-1] openafs security update
-
https://www.openafs.org/pages/security/OPENAFS-SA-2017-001.txt
Vendor Advisory
-
https://www.debian.org/security/2017/dsa-4067
Debian -- Security Information -- DSA-4067-1 openafsThird Party Advisory
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