What is CVE-2011-1823?

CVE-2011-1823 is a high-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2011-06-09.

How severe is CVE-2011-1823?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2011-1823 known to be exploited?

Yes. CVE-2011-1823 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-08), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.

Integer overflow in Google Android

CVE-2011-1823

The vold volume manager daemon on Android 3.0 and 2.x before 2.3.4 trusts messages that are received from a PF_NETLINK socket, which allows local users to execute arbitrary code and gain root privileges via a negative index that bypasses a…

Vulnerability class: Integer Overflow

EPSS: 0.416 (98.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Google Android — versions 3.0
N/a — versions n/a

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2022-09-08. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2022-09-29.

Required action: Apply updates per vendor instructions.

Public proof-of-concept exploits

References

cve@mitre.org (x_refsource_CONFIRM, Broken Link)
cve@mitre.org (x_refsource_CONFIRM, Broken Link)
cve@mitre.org (Exploit, x_refsource_MISC, Issue Tracking)
cve@mitre.org (x_refsource_MISC, Broken Link)
cve@mitre.org (x_refsource_CONFIRM, Broken Link)
cve@mitre.org (Exploit, x_refsource_MISC)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_XF)
cve@mitre.org (x_refsource_MISC, Press/Media Coverage)
cve@mitre.org (Exploit, x_refsource_MISC, Issue Tracking)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2011-1823?: CVE-2011-1823 is a high-severity vulnerability in Google Android, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2011-06-09.
How severe is CVE-2011-1823?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2011-1823 known to be exploited?: Yes. CVE-2011-1823 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-08), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.