Vulnerability Details : CVE-2019-1999
Potential exploit
In binder_alloc_free_page of binder_alloc.c, there is a possible double free due to improper locking. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: Android kernel. Android ID: A-120025196.
Published
2019-02-28 17:29:01
Updated
2022-04-22 20:42:09
Vulnerability category: Memory Corruption
Products affected by CVE-2019-1999
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-1999
0.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-1999
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2019-1999
-
The product calls free() twice on the same memory address.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-1999
-
https://www.debian.org/security/2019/dsa-4495
Debian -- Security Information -- DSA-4495-1 linuxThird Party Advisory
-
https://usn.ubuntu.com/3979-1/
USN-3979-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://www.securityfocus.com/bid/106851
Google Android Kernel Components Multiple Security VulnerabilitiesBroken Link
-
https://source.android.com/security/bulletin/2019-02-01
Android Security Bulletin — February 2019 | Android Open Source ProjectVendor Advisory
-
https://seclists.org/bugtraq/2019/Aug/13
Bugtraq: [SECURITY] [DSA 4495-1] linux security updateMailing List;Third Party Advisory
-
https://www.exploit-db.com/exploits/46357/
Android - binder Use-After-Free of VMA via race Between reclaim and munmapExploit;Third Party Advisory;VDB Entry
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