CVE-2016-3861
LibUtils in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x before 2016-09-01, and 7.0 before 2016-09-01 mishandles conversions between Unicode character encodings with different encoding widths, which allows remote attackers to…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (9.83%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
LibUtils in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x before 2016-09-01, and 7.0 before 2016-09-01 mishandles conversions between Unicode character encodings with different encoding widths, which allows remote attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow) via a crafted file, aka internal bug 29250543.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 9.83% probability · 95th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-264
- Affected
- google/android
- Source
- security@android.com
References
- http://source.android.com/security/bulletin/2016-09-01.htmlVendor Advisory
- http://www.securityfocus.com/bid/92811
- http://www.securitytracker.com/id/1036763
- https://android.googlesource.com/platform/frameworks/av/+/3944c65637dfed14a5a895685edfa4bacaf9f76eIssue Tracking, Patch
- https://android.googlesource.com/platform/frameworks/base/+/866dc26ad4a98cc835d075b627326e7d7e52ffa1Issue Tracking, Patch
- https://android.googlesource.com/platform/frameworks/native/+/1f4b49e64adf4623eefda503bca61e253597b9bfIssue Tracking, Patch
- https://android.googlesource.com/platform/system/core/+/ecf5fd58a8f50362ce9e8d4245a33d56f29f142bIssue Tracking, Patch
- https://www.exploit-db.com/exploits/40354/
- http://source.android.com/security/bulletin/2016-09-01.htmlVendor Advisory
- http://www.securityfocus.com/bid/92811
- http://www.securitytracker.com/id/1036763
- https://android.googlesource.com/platform/frameworks/av/+/3944c65637dfed14a5a895685edfa4bacaf9f76eIssue Tracking, Patch
- https://android.googlesource.com/platform/frameworks/base/+/866dc26ad4a98cc835d075b627326e7d7e52ffa1Issue Tracking, Patch
- https://android.googlesource.com/platform/frameworks/native/+/1f4b49e64adf4623eefda503bca61e253597b9bfIssue Tracking, Patch
- https://android.googlesource.com/platform/system/core/+/ecf5fd58a8f50362ce9e8d4245a33d56f29f142bIssue Tracking, Patch
- https://www.exploit-db.com/exploits/40354/
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.