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Known exploited vulnerability

CVE-2011-1823

highCVSS 3.1 7.8In CISA KEVEPSS 41%Published · n/a

The short answer

CVE-2011-1823 affects n/a n/a and is rated high (CVSS 7.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-09-08: attackers are using it, so patch it first.

What it is

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 maximum-only signed integer check in the DirectVolume::handlePartitionAdded method, which triggers memory corruption, as demonstrated by Gingerbreak.

Weakness: CWE-190.

Severity

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Sep 8, 2022

Federal due date Sep 29, 2022

EPSS, next 30 days

41%

Higher than 99% of scored CVEs

How it can be exploited

Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

Apply updates per vendor instructions.

Affected products

n/a. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2011-1823 being exploited?

Yes. CISA added CVE-2011-1823 to its Known Exploited Vulnerabilities catalog on 2022-09-08, with a federal remediation due date of 2022-09-29.

How do I fix CVE-2011-1823?

CISA's required action: Apply updates per vendor instructions.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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