CVE-2017-12868
CVSS V2 High 7.5
CVSS V3 Critical 9.8
Description
The secureCompare method in lib/SimpleSAML/Utils/Crypto.php in SimpleSAMLphp 1.14.13 and earlier, when used with PHP before 5.6, allows attackers to conduct session fixation attacks or possibly bypass authentication by leveraging missing character conversions before an XOR operation.
Overview
- CVE ID
- CVE-2017-12868
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2017-09-01T13:29:00
- Last Modified Date
- 2018-07-01T01:29:01
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:simplesamlphp:simplesamlphp:*:*:*:*:*:*:*:* | 1 | OR | 1.14.13 | |
| cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | 0 | OR | 5.5.38 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:N/C:P/I:P/A:P
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- PARTIAL
- Availability Impact
- PARTIAL
- Base Score
- 7.5
- Severity
- HIGH
- Exploitability Score
- 10
- Impact Score
- 6.4
CVSS Version 3
- Version
- 3.0
- Vector String
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 9.8
- Base Severity
- CRITICAL
- Exploitability Score
- 3.9
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| https://simplesamlphp.org/security/201705-01 | Patch Vendor Advisory |
| https://github.com/simplesamlphp/simplesamlphp/commit/4bc629658e7b7d17c9ac3fe0da7dc5df71f1b85e | Issue Tracking Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html | |
| https://lists.debian.org/debian-lts-announce/2018/06/msg00017.html |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2017-12868 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12868 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 18:41:32 | Added to TrackCVE | |||
| 2022-12-02 20:32:25 | 2017-09-01T13:29Z | 2017-09-01T13:29:00 | CVE Published Date | updated |
| 2022-12-02 20:32:25 | 2018-07-01T01:29:01 | CVE Modified Date | updated | |
| 2022-12-02 20:32:25 | Modified | Vulnerability Status | updated |