CVE-2019-8635 - Double Free

Severity

78%

Complexity

18%

Confidentiality

98%

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.5. An application may be able to execute arbitrary code with system privileges.

A memory corruption issue was addressed with improved memory handling. This issue is fixed in macOS Mojave 10.14.5. An application may be able to execute arbitrary code with system privileges.

CVSS 3.1 Base Score 7.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS 2.0 Base Score 7.2. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C).

Demo Examples

Double Free

CWE-415

Double Free

CWE-415

While contrived, this code should be exploitable on Linux distributions which do not ship with heap-chunk check summing turned on.


               
}
free(buf1R2);

Overview

First reported 5 years ago

2019-12-18 18:15:00

Last updated 5 years ago

2019-12-20 19:03:00

Affected Software

Apple Mac OS X

References

https://support.apple.com/HT210119

Vendor Advisory

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