Vulnerability Details : CVE-2016-2146
The am_read_post_data function in mod_auth_mellon before 0.11.1 does not limit the amount of data read, which allows remote attackers to cause a denial of service (worker process crash, web server deadlock, or memory consumption) via a large amount of POST data.
Vulnerability category: OverflowDenial of service
Products affected by CVE-2016-2146
- cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
- cpe:2.3:a:uninett:mod_auth_mellon:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-2146
0.71%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-2146
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
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-2016-2146
-
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-2146
-
https://sympa.uninett.no/lists/uninett.no/arc/modmellon/2016-03/msg00000.html
modmellon - For discussions about mod_mellon Apache module. - arc_protect
-
http://lists.fedoraproject.org/pipermail/package-announce/2016-March/179085.html
[SECURITY] Fedora 23 Update: mod_auth_mellon-0.11.1-1.fc23
-
https://github.com/UNINETT/mod_auth_mellon/pull/71
Handle ap_get_client_block() error in am_read_post_data() by vrasneur · Pull Request #71 · Uninett/mod_auth_mellon · GitHubPatch
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