CVE-2017-12872

medium

Published 2017-09-01 · Modified 2024-02-16

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CVSS v3

5.9

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v4 NEW

—

not yet in upstream

VIR risk

5.9

Description

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.

Predictions

Exploit likelihood

69%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Debian Mixed 5 releases

Version	Status	Fixed in
sid	Fixed	`1.14.15-1`
bullseye	Fixed	`1.14.15-1`
bookworm	Fixed	`1.14.15-1`
8.0	Affected	—
7.0	Affected	—

Package impact

Ecosystem	Package	Vulnerable	Fixed
Packagist	simplesamlphp/simplesamlphp	`<1.15.0-rc1`	`1.15.0-rc1`

Application impact

Vendor	Product	Versions	Fixed
simplesamlphp	simplesamlphp	`{"endIncluding":"1.14.11"}`

References

CWEs

CWE-200

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.