VulnerabilityAnalyzed
CVE-2023-40100
In discovery_thread of Dns64Configuration.cpp, there is a possible memory corruption due to a use after free.
HIGH 7.8EPSS 0.09%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.09%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In discovery_thread of Dns64Configuration.cpp, there is a possible memory corruption due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.09% probability · 1th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- google/android
- Source
- security@android.com
References
- https://android.googlesource.com/platform/packages/modules/DnsResolver/+/8e1561fb603fdaec15798372f865fb1750537f4fMailing List, Patch
- https://source.android.com/security/bulletin/2023-11-01Patch, Vendor Advisory
- https://android.googlesource.com/platform/packages/modules/DnsResolver/+/8e1561fb603fdaec15798372f865fb1750537f4fMailing List, Patch
- https://source.android.com/security/bulletin/2023-11-01Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.