CVE-2020-10647 - Double Free

Severity

98%

Complexity

39%

Confidentiality

98%

Wind River VxWorks tftp client library, as distributed in VxWorks 6.9 through 7 SR0630, has a double free

Wind River VxWorks tftp client library, as distributed in VxWorks 6.9 through 7 SR0630, has a double free

** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by its CNA. Further investigation showed that it was not a security issue. Notes: none.

CVSS 3.1 Base Score 9.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

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

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 4 years ago

2020-04-27 13:15:00

Last updated 4 years ago

2020-06-09 18:15:00

Affected Software

Windriver VxWorks 7.0

7.0

Windriver VxWorks 7.0 Sr0630

7.0

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