CVE-2015-3754

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-08-16 · updated 2026-06-17
Weakness: CWE-200

Description

The private-browsing implementation in WebKit in Apple Safari before 6.2.8, 7.x before 7.1.8, and 8.x before 8.0.8 does not prevent caching of HTTP authentication credentials, which makes it easier for remote attackers to track users via a crafted web site.

Affected products

Apple Safari: from 6.0 before 6.2.8; from 7.0 before 7.1.8; from 8.0 before 8.0.8 — fixed in 6.2.8, 7.1.8, 8.0.8

How to fix

Upgrade to a fixed version: Apple Safari 6.2.8, 7.1.8, 8.0.8. Check the vendor advisory for mitigations.

References

http://lists.apple.com/archives/security-announce/2015/Aug/msg00000.html
http://lists.opensuse.org/opensuse-updates/2016-03/msg00054.html
http://www.securityfocus.com/bid/76339
http://www.securitytracker.com/id/1033274
https://support.apple.com/kb/HT205033
http://lists.apple.com/archives/security-announce/2015/Aug/msg00000.html
http://lists.opensuse.org/opensuse-updates/2016-03/msg00054.html
http://www.securityfocus.com/bid/76339
http://www.securitytracker.com/id/1033274
https://support.apple.com/kb/HT205033

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