First published: Fri Oct 14 2011(Updated: )
The Data Access component in Apple iOS before 5 does not properly handle the existence of multiple user accounts on the same mail server, which allows local users to bypass intended access restrictions in opportunistic circumstances by leveraging a different account's cookie.
Credit: product-security@apple.com
Affected Software | Affected Version | How to fix |
---|---|---|
Apple iPhone OS | =4.0 | |
Apple iPhone OS | =4.3.2 | |
Apple iPhone OS | =4.0.2 | |
Apple iPhone OS | =4.0.1 | |
Apple iPhone OS | =3.2 | |
Apple iPhone OS | =4.2.8 | |
Apple iPhone OS | =4.1 | |
Apple iPhone OS | =3.1.2 | |
Apple iPhone OS | =4.3.5 | |
Apple iPhone OS | =3.1.3 | |
Apple iPhone OS | =4.3.1 | |
Apple iPhone OS | =4.2.5 | |
Apple iPhone OS | =3.2.1 | |
Apple iPhone OS | =3.1 | |
Apple iPhone OS | =4.3.5 | |
Apple iPhone OS | =3.1 | |
Apple iPhone OS | =3.2 | |
Apple iPhone OS | =4.3.5 | |
Apple iPhone OS | =4.2.1 | |
Apple iPhone OS | =3.0 | |
Apple iPhone OS | =4.0.1 | |
Apple iPhone OS | =4.3.3 | |
Apple iPhone OS | =4.0.1 | |
Apple iPhone OS | =4.0 | |
Apple iPhone OS | =3.1 | |
Apple iPhone OS | =4.0 | |
Apple iPhone OS | =4.3.0 | |
Apple iPhone OS | =3.2.1 | |
Apple iPhone OS | =3.2.2 |
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CVE-2011-3257 is classified as a vulnerability that can allow unauthorized access under certain conditions.
To mitigate CVE-2011-3257, it is recommended to update to a version of Apple iOS that is 5.0 or later.
CVE-2011-3257 affects iOS versions prior to 5.0 including 4.0, 4.0.1, and all versions up to 4.3.5.
CVE-2011-3257 can potentially allow local users to bypass intended access restrictions via shared cookies.
Users of affected iOS devices, particularly those using multiple accounts on the same email server, should be concerned about CVE-2011-3257.