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6.7

Android may let local user gain system rights

CVE-2023-21078 · published 3 years ago
Summary

A coding mistake in Android's network driver can write data outside its intended area, which could let someone with access to the device take full system control. The attack works without any user interaction and requires only local access. Install the latest Android security updates from Google as soon as they are available.

What to do
  • Update google :unknown: to version :2023-03-05.
Affected software
Ecosystem VendorProductAffected versions
Android google :unknown: >= :0, < :2023-03-05
Fix: upgrade to :2023-03-05
– google android All versions
cpe:2.3:o:google:android:-:*:*:*:*:*:*:*
Original advisory text
In rtt_unpack_xtlv_cbfn of dhd_rtt.c, there is a possible out of bounds write due to a buffer overflow. This could lead to local escalation of privilege with System execution privileges needed. Use...
In rtt_unpack_xtlv_cbfn of dhd_rtt.c, there is a possible out of bounds write due to a buffer overflow. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
6.7 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-787Out-of-bounds Write
Timeline
Published1 Mar 2023
Updated30 Sep 2026
First seen10 Sep 2026
Sources
PUB-A-254840211 · OSV
CVE-2023-21078 · NVD
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