CVE-2017-18201 - Double Free

Severity

75%

Complexity

99%

Confidentiality

106%

An issue was discovered in GNU libcdio before 2.0.0. There is a double free in get_cdtext_generic() in lib/driver/_cdio_generic.c.

An issue was discovered in GNU libcdio before 2.0.0. There is a double free in get_cdtext_generic() in lib/driver/_cdio_generic.c.

CVSS 3.0 Base Score 9.8. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.0/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 6 years ago

2018-02-26 14:29:00

Last updated 6 years ago

2018-10-31 10:29:00

Affected Software

GNU libcdio

References

103190

Third Party Advisory, VDB Entry

RHSA-2018:3246

https://git.savannah.gnu.org/cgit/libcdio.git/commit/?id=f6f9c48fb40b8a1e8218799724b0b61a7161eb1d

Patch, Third Party Advisory

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