CVE-2019-2181: Integer Overflow
First published: Tue Sep 03 2019(Updated: )
In binder_transaction of binder.c in the Android kernel, there is a possible out of bounds write due to an integer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is needed for exploitation.
Credit: security@android.com security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Android | ||
| ubuntu/linux | <5.0.0-32.34 | 5.0.0-32.34 |
| ubuntu/linux | <5.2~ | 5.2~ |
| ubuntu/linux-aws | <5.0.0-1019.21 | 5.0.0-1019.21 |
| ubuntu/linux-aws | <5.2~ | 5.2~ |
| ubuntu/linux-aws-5.0 | <5.2~ | 5.2~ |
| ubuntu/linux-aws-hwe | <5.2~ | 5.2~ |
| ubuntu/linux-azure | <5.0.0-1023.24~18.04.1 | 5.0.0-1023.24~18.04.1 |
| ubuntu/linux-azure | <5.0.0-1023.24 | 5.0.0-1023.24 |
| ubuntu/linux-azure | <5.2~ | 5.2~ |
| ubuntu/linux-azure-5.3 | <5.2~ | 5.2~ |
| ubuntu/linux-azure-edge | <5.0.0-1023.24~18.04.1 | 5.0.0-1023.24~18.04.1 |
| ubuntu/linux-azure-edge | <5.2~ | 5.2~ |
| ubuntu/linux-gcp | <5.0.0-1021.21~18.04.1 | 5.0.0-1021.21~18.04.1 |
| ubuntu/linux-gcp | <5.0.0-1021.21 | 5.0.0-1021.21 |
| ubuntu/linux-gcp | <5.2~ | 5.2~ |
| ubuntu/linux-gcp-5.3 | <5.2~ | 5.2~ |
| ubuntu/linux-gcp-edge | <5.0.0-1021.21~18.04.1 | 5.0.0-1021.21~18.04.1 |
| ubuntu/linux-gcp-edge | <5.2~ | 5.2~ |
| ubuntu/linux-gke-4.15 | <5.2~ | 5.2~ |
| ubuntu/linux-gke-5.0 | <5.0.0-1023.23~18.04.2 | 5.0.0-1023.23~18.04.2 |
| ubuntu/linux-gke-5.0 | <5.2~ | 5.2~ |
| ubuntu/linux-gke-5.3 | <5.2~ | 5.2~ |
| ubuntu/linux-hwe | <5.0.0-32.34~18.04.2 | 5.0.0-32.34~18.04.2 |
| ubuntu/linux-hwe | <5.2~ | 5.2~ |
| ubuntu/linux-hwe-edge | <5.2~ | 5.2~ |
| ubuntu/linux-kvm | <5.0.0-1020.21 | 5.0.0-1020.21 |
| ubuntu/linux-kvm | <5.2~ | 5.2~ |
| ubuntu/linux-lts-trusty | <5.2~ | 5.2~ |
| ubuntu/linux-lts-xenial | <5.2~ | 5.2~ |
| ubuntu/linux-oem | <5.2~ | 5.2~ |
| ubuntu/linux-oem-5.6 | <5.2~ | 5.2~ |
| ubuntu/linux-oem-osp1 | <5.0.0-1025.28 | 5.0.0-1025.28 |
| ubuntu/linux-oem-osp1 | <5.0.0-1025.28 | 5.0.0-1025.28 |
| ubuntu/linux-oem-osp1 | <5.2~ | 5.2~ |
| ubuntu/linux-oracle | <5.2~ | 5.2~ |
| ubuntu/linux-oracle-5.0 | <5.2~ | 5.2~ |
| ubuntu/linux-oracle-5.3 | <5.2~ | 5.2~ |
| ubuntu/linux-raspi2 | <5.0.0-1020.20 | 5.0.0-1020.20 |
| ubuntu/linux-raspi2 | <5.2~ | 5.2~ |
| ubuntu/linux-raspi2-5.3 | <5.2~ | 5.2~ |
| ubuntu/linux-snapdragon | <5.0.0-1024.25 | 5.0.0-1024.25 |
| ubuntu/linux-snapdragon | <5.2~ | 5.2~ |
| Google Android | ||
| debian/linux | 4.19.249-2 4.19.304-1 5.10.209-2 5.10.216-1 6.1.76-1 6.1.90-1 6.7.12-1 6.8.9-1 |
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Reference Links
- https://source.android.com/security/bulletin/2019-09-01
- https://usn.ubuntu.com/4157-1/
- https://usn.ubuntu.com/4157-2/
- http://packetstormsecurity.com/files/154951/Kernel-Live-Patch-Security-Notice-LSN-0058-1.html
- https://launchpad.net/bugs/cve/CVE-2019-2181
- https://git.kernel.org/linus/0b0509508beff65c1d50541861bc0d4973487dc5
- https://security-tracker.debian.org/tracker/CVE-2019-2181
- https://android-review.googlesource.com/q/status:merged+%2522binder:+check+for+overflow+when+alloc+for+security+context%2522
- https://source.android.com/docs/security/bulletin/2019-09-01 (Advisory)
- https://android-review.googlesource.com/c/kernel/common/+/981230
- https://ubuntu.com/security/notices/USN-4157-1
- https://ubuntu.com/security/notices/USN-4157-2
- https://www.cve.org/CVERecord?id=CVE-2019-2181
- https://nvd.nist.gov/vuln/detail/CVE-2019-2181
- https://git.kernel.org/linus/ec74136ded792deed80780a2f8baf3521eeb72f9
- https://ubuntu.com/security/CVE-2019-2181
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID is CVE-2019-2181.
What is the severity of CVE-2019-2181?
The severity of CVE-2019-2181 is high with a severity value of 7.
How does CVE-2019-2181 affect Android?
CVE-2019-2181 affects Android and could lead to local escalation of privilege.
Is user interaction needed for exploitation of CVE-2019-2181?
Yes, user interaction is needed for exploitation of CVE-2019-2181.
How can I fix CVE-2019-2181?
To fix CVE-2019-2181, it is recommended to update to the latest version of the affected software.
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