CVE-2018-9009 - Use After Free

Severity

68%

Complexity

86%

Confidentiality

106%

In libming 0.4.8, there is a use-after-free in the decompileJUMP function of the decompile.c file.

In libming 0.4.8, there is a use-after-free in the decompileJUMP function of the decompile.c file.

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 6.8. CVSS Attack Vector: network. CVSS Attack Complexity: medium. CVSS Vector: (AV:N/AC:M/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

First reported 6 years ago

2018-03-25 03:29:00

Last updated 5 years ago

2019-10-12 03:15:00

Affected Software

Libming Libming 0.4.8

0.4.8

Debian Linux 7.0

7.0

References

https://github.com/libming/libming/issues/131

Exploit, Third Party Advisory

[debian-lts-announce] 20180526 [SECURITY] [DLA 1386-1] ming security update

Mailing List, Third Party Advisory

FEDORA-2019-03aa4f746c

FEDORA-2019-a1b6fc5274

FEDORA-2019-5139453028

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