CVE-2014-3194 - Use After Free

Severity

75%

Complexity

99%

Confidentiality

106%

CWE-416: Use After Free

Use-after-free vulnerability in the Web Workers implementation in Google Chrome before 38.0.2125.101 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.

CWE-416: Use After Free

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Demo Examples

Use After Free

CWE-416

The following example demonstrates the weakness.


               
}
free(buf3R2);

Use After Free

CWE-416

The following code illustrates a use after free error:


               
}
free(ptr);
logError("operation aborted before commit", ptr);

When an error occurs, the pointer is immediately freed. However, this pointer is later incorrectly used in the logError function.

Overview

Type

Red Hat Enterprise Linux

First reported 10 years ago

2014-10-08 10:55:00

Last updated 8 years ago

2016-11-28 19:11:00

Affected Software

Red Hat Enterprise Linux Desktop Supplementary 6.0 (v. 6)

6.0

Red Hat Enterprise Linux Server Supplementary 6.0 (v. 6)

6.0

Red Hat Enterprise Linux Workstation Supplementary 6.0 (v. 6)

6.0

References

http://googlechromereleases.blogspot.com/2014/10/stable-channel-update.html

Vendor Advisory

RHSA-2014:1626

Third Party Advisory

70273

https://crbug.com/401115

Patch

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