Buffer overflow in Google Android
CVE-2018-9491
In AMediaCodecCryptoInfo_new of NdkMediaCodec.cpp, there is a possible out-of-bounds write due to an integer overflow. This could lead to remote code execution in external apps with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9.0 Android ID: A-111603051
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Google Android — versions 7.0, 7.1.1, 7.1.2
- Google Inc. Android — versions Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- source.android.com/security/bulletin/2018-10-01,
- www.securityfocus.com/bid/105484 (VDB Entry, Third Party Advisory, vdb-entry)
- android.googlesource.com/platform/frameworks/av/+/2b4667baa5a2badbdfec1794156ee… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-9491?
- CVE-2018-9491 is a high-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2018-10-02.
- How severe is CVE-2018-9491?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-9491 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.