CVE-2015-3860
packages/Keyguard/res/layout/keyguard_password_view.xml in Lockscreen in Android 5.x before 5.1.1 LMY48M does not restrict the number of characters in the passwordEntry input field, which allows physically proximate attackers to bypass intended access…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
packages/Keyguard/res/layout/keyguard_password_view.xml in Lockscreen in Android 5.x before 5.1.1 LMY48M does not restrict the number of characters in the passwordEntry input field, which allows physically proximate attackers to bypass intended access restrictions via a long password that triggers a SystemUI crash, aka internal bug 22214934.
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 0.34% probability · 27th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- google/android
- Source
- security@android.com
References
- http://sites.utexas.edu/iso/2015/09/15/android-5-lockscreen-bypass/Exploit
- https://android.googlesource.com/platform/frameworks/base/+/8fba7e6931245a17215e0e740e78b45f6b66d590Vendor Advisory
- https://code.google.com/p/android/issues/detail?id=178139Exploit
- https://groups.google.com/forum/message/raw?msg=android-security-updates/1M7qbSvACjo/Y7jewiW1AwAJVendor Advisory
- http://sites.utexas.edu/iso/2015/09/15/android-5-lockscreen-bypass/Exploit
- https://android.googlesource.com/platform/frameworks/base/+/8fba7e6931245a17215e0e740e78b45f6b66d590Vendor Advisory
- https://code.google.com/p/android/issues/detail?id=178139Exploit
- https://groups.google.com/forum/message/raw?msg=android-security-updates/1M7qbSvACjo/Y7jewiW1AwAJVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.