CVE-2018-11416 - Double Free

Severity

68%

Complexity

86%

Confidentiality

106%

jpegoptim.c in jpegoptim 1.4.5 (fixed in 1.4.6) has an invalid use of realloc() and free(), which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.

jpegoptim.c in jpegoptim 1.4.5 (fixed in 1.4.6) has an invalid use of realloc() and free(), which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.

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

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

2018-05-24 20:29:00

Last updated 6 years ago

2018-06-26 18:24:00

Affected Software

Jpegoptim Project Jpegoptim 1.4.5

1.4.5

References

https://github.com/tjko/jpegoptim/blob/master/README

Third Party Advisory

https://github.com/tjko/jpegoptim/issues/57

Issue Tracking, Third Party Advisory

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