Vulnerability Details : CVE-2017-12872
The (1) Htpasswd authentication source in the authcrypt module and (2) SimpleSAML_Session class in SimpleSAMLphp 1.14.11 and earlier allow remote attackers to conduct timing side-channel attacks by leveraging use of the standard comparison operator to compare secret material against user input.
Vulnerability category: Information leak
Products affected by CVE-2017-12872
- cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:a:simplesamlphp:simplesamlphp:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-12872
0.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-12872
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:N/A:N |
8.6
|
2.9
|
NIST | |
|
5.9
|
MEDIUM | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
2.2
|
3.6
|
NIST |
CWE ids for CVE-2017-12872
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-12872
-
https://simplesamlphp.org/security/201703-01
SimpleSAMLphpPatch;Vendor Advisory
-
https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html
[SECURITY] [DLA 1205-1] simplesamlphp security updateMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2018/06/msg00017.html
[SECURITY] [DLA 1408-1] simplesamlphp security updateMailing List;Third Party Advisory
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