JVN#45442753
Safari issue in handling application cache
Overview
Safari contains an issue in the handling of application cache.
Products Affected
- Safari versions prior to 6.2
- Safari versions prior to 7.1
Description
Safari contains an issue in the handling of application cache where contents that were cached when the private browsing function is turned off may be used after the private browsing function is turned on.
Impact
After a website is visited when the private browsing function is turned off and the site is visited again after the private browsing function is turned on, the website may be able to determine that the same user visited the website.
Solution
Update the software
Update to the latest version according to the information provided by the developer.
Vendor Status
| Vendor | Link |
| Apple | About the security content of Safari 6.2 and Safari 7.1 |
References
JPCERT/CC Addendum
Vulnerability Analysis by JPCERT/CC
Analyzed on 2014.09.25 (CVSS Base Metrics)
| Measures | Severity | Description | ||
|---|---|---|---|---|
| Access Vector(AV) | Local (L) | Adjacent Network (A) | Network (N) | A vulnerability exploitable with network access means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access. Such a vulnerability is often termed "remotely exploitable". |
| Access Complexity(AC) | High (H) | Medium (M) | Low (L) | Specialized access conditions or extenuating circumstances do not exist. |
| Authentication(Au) | Multiple (M) | Single (S) | None (N) | Authentication is not required to exploit the vulnerability. |
| Confidentiality Impact(C) | None (N) | Partial (P) | Complete (C) | There is considerable informational disclosure. Access to some system files is possible, but the attacker does not have control over what is obtained, or the scope of the loss is constrained. |
| Integrity Impact(I) | None (N) | Partial (P) | Complete (C) | There is no impact to the integrity of the system. |
| Availability Impact(A) | None (N) | Partial (P) | Complete (C) | There is no impact to the availability of the system. |
Base Score:5.0
Credit
Yosuke HASEGAWA of NetAgent Co.,Ltd. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
Other Information
| JPCERT Alert | |
| JPCERT Reports | |
| CERT Advisory |
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| CPNI Advisory |
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| TRnotes |
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| CVE |
CVE-2014-4409 |
| JVN iPedia |
JVNDB-2014-004316 |