CVE-2015-1329 - Use After Free

Severity

93%

Complexity

86%

Confidentiality

165%

Use-after-free vulnerability in oxide::qt::URLRequestDelegatedJob in oxide-qt in Ubuntu 15.04 and 14.04 LTS might allow remote attackers to execute arbitrary code.

Use-after-free vulnerability in oxide::qt::URLRequestDelegatedJob in oxide-qt in Ubuntu 15.04 and 14.04 LTS might allow remote attackers to execute arbitrary code.

CVSS 3.0 Base Score 8.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 9.3. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/Au:N/C:C/I:C/A:C).

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

Canonical Ubuntu Linux

First reported 7 years ago

2017-09-20 16:29:00

Last updated 7 years ago

2017-09-28 17:55:00

Affected Software

Canonical Ubuntu Linux 14.04 LTS (Long-Term Support)

14.04

Canonical Ubuntu Linux 15.04

15.04

References

http://people.canonical.com/~ubuntu-security/cve/2015/CVE-2015-1329.html

Patch, Vendor Advisory

76174

Third Party Advisory, VDB Entry

USN-2677-1

Patch, Vendor Advisory

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