CVE-2017-12867: Simplesamlphp/simplesamlphp SimpleSAMLphp Invalid Token Creation And Vulnerability

MODERATE
Advisory Identifier: GHSA-597c-mh7m-48v7
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CVSS 5.9
CWE-613
Published
Advisory Summary

CVE-2017-12867 is a MODERATE (CVSS 5.9) simplesamlphp invalid token creation and vulnerability (CWE-613: Insufficient Session Expiration) affecting Simplesamlphp/simplesamlphp libraries in the Packagist ecosystem. The issue involves simplesamlphp invalid token creation and validation. Remediation is available by upgrading affected packages to version 1.14.15.

CVE-2017-12867 at a Glance

CVE Identifier CVE-2017-12867
GHSA Identifier GHSA-597c-mh7m-48v7
Severity MODERATE
CVSS v3.1 Base Score 5.9
CWE Classification CWE-613: Insufficient Session Expiration
Affected Product Simplesamlphp/simplesamlphp
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.9

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

Attack Vector Network (AV:N)
Attack Complexity High (AC:H)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity High (I:H)
Availability None (A:N)

How to Fix CVE-2017-12867

To remediate this vulnerability, upgrade all affected Simplesamlphp/simplesamlphp dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

simplesamlphp/simplesamlphp fixed: 1.14.15 
Upgrade simplesamlphp/simplesamlphp to 1.14.15
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for simplesamlphp/simplesamlphp

How to Check if You Are Affected

To determine whether your application is affected by CVE-2017-12867, inspect your project dependencies for Simplesamlphp/simplesamlphp:

inspect dependencies for simplesamlphp/simplesamlphp

Analyze the terminal output to locate any version of Simplesamlphp/simplesamlphp in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.14.15), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-613: Insufficient Session Expiration, where according to wasc, "insufficient session expiration is when a web site permits an attacker to reuse old session credentials or session ids for authorization.". In Simplesamlphp/simplesamlphp, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

The SimpleSAML_Auth_TimeLimitedToken class in SimpleSAMLphp 1.14.14 and earlier allows attackers with access to a secret token to extend its validity period by manipulating the prepended time offset.

CVE-2017-12867 Affected Simplesamlphp/simplesamlphp Versions

1 component(s)
Fixed Versions:
1.14.15
Product / Package Ecosystem Affected Versions Fixed Version
simplesamlphp/simplesamlphp
 Packagist
≥ 1.14.0
< 1.14.15
1.14.15

References

NVD — CVE-2017-12867 NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-12867
Security Fix Commit FIX COMMIT
https://github.com/simplesamlphp/simplesamlphp/commit/608f24c2d5afd70c2af050785d2b12f878b33c68
Simplesamlphp/simplesamlphp Source Repository REPOSITORY
https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2017-12867.yaml
Simplesamlphp/simplesamlphp Source Repository REPOSITORY
https://github.com/simplesamlphp/simplesamlphp
lists.debian.org/debian-lts-announce... WEB
https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html
Simplesamlphp/simplesamlphp Security Information SECURITY
https://simplesamlphp.org/security/201708-01
Simplesamlphp/simplesamlphp Security Information SECURITY
https://www.debian.org/security/2018/dsa-4127

Frequently Asked Questions

What is CVE-2017-12867?
CVE-2017-12867 is a security vulnerability in Simplesamlphp/simplesamlphp involving SimpleSAMLphp Invalid token creation and validation under CWE-613: Insufficient Session Expiration.
Which Simplesamlphp/simplesamlphp versions are affected?
Affected versions include releases prior to 1.14.15 across affected packages: simplesamlphp/simplesamlphp.
What version fixes CVE-2017-12867?
Upgrading to 1.14.15 (or the latest patched release for your respective branch) resolves the vulnerability.
Is simplesamlphp/simplesamlphp affected?
Yes, simplesamlphp/simplesamlphp is affected in releases prior to 1.14.15. Upgrade your dependency to 1.14.15 or later.
What is the CVSS score of CVE-2017-12867?
CVE-2017-12867 has a CVSS v3.1 base score of 5.9 (MODERATE) with vector string CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
What CWE is associated with CVE-2017-12867?
CVE-2017-12867 is classified under CWE-613: Insufficient Session Expiration (According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization.").
How can I check Packagist dependencies for CVE-2017-12867?
Run the dependency tree command: 'inspect dependencies for simplesamlphp/simplesamlphp'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-597c-mh7m-48v7",
  "modified" : "2024-04-25T21:37:10Z",
  "published" : "2022-05-13T01:42:46Z",
  "aliases" : [ "CVE-2017-12867" ],
  "summary" : "SimpleSAMLphp Invalid token creation and validation",
  "details" : "The SimpleSAML_Auth_TimeLimitedToken class in SimpleSAMLphp 1.14.14 and earlier allows attackers with access to a secret token to extend its validity period by manipulating the prepended time offset.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "simplesamlphp/simplesamlphp"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "1.14.0"
      }, {
        "fixed" : "1.14.15"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2017-12867"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/simplesamlphp/simplesamlphp/commit/608f24c2d5afd70c2af050785d2b12f878b33c68"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2017-12867.yaml"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/simplesamlphp/simplesamlphp"
  }, {
    "type" : "WEB",
    "url" : "https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html"
  }, {
    "type" : "WEB",
    "url" : "https://simplesamlphp.org/security/201708-01"
  }, {
    "type" : "WEB",
    "url" : "https://www.debian.org/security/2018/dsa-4127"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-613" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-04-25T21:37:10Z",
    "nvd_published_at" : "2017-08-29T15:29:00Z"
  }
}