Vulnerability Details : CVE-2018-11498
In Lizard v1.0 and LZ5 v2.0 (the prior release, before the product was renamed), there is an unchecked buffer size during a memcpy in the Lizard_decompress_LIZv1 function (lib/lizard_decompress_liz.h). Remote attackers can leverage this vulnerability to cause a denial of service via a crafted input file, as well as achieve remote code execution.
Vulnerability category: OverflowExecute codeDenial of service
Products affected by CVE-2018-11498
- cpe:2.3:a:lizard_project:lizard:1.0:*:*:*:*:*:*:*
- cpe:2.3:a:lizard_project:lz5:2.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-11498
0.34%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-11498
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2018-11498
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The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-11498
-
https://github.com/inikep/lizard/issues/16
Negative size passed to memcpy resulting in memory corruption (lib/lizard_decompress_liz.h:207) · Issue #16 · inikep/lizard · GitHubThird Party Advisory
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