UBUNTU-CVE-2017-12872

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Source
https://ubuntu.com/security/CVE-2017-12872
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2017/UBUNTU-CVE-2017-12872.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2017-12872
Upstream
Published
2017-09-01T21:29:00Z
Modified
2025-09-08T16:44:22Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

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.

References

Affected packages

Ubuntu:Pro:16.04:LTS / simplesamlphp

Package

Name
simplesamlphp
Purl
pkg:deb/ubuntu/simplesamlphp@1.14.0-1ubuntu2?arch=source&distro=esm-apps/xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

1.*

1.13.2-1
1.14.0-1
1.14.0-1ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "simplesamlphp",
            "binary_version": "1.14.0-1ubuntu2"
        }
    ]
}