CVE-2019-16161 : Onigmo through 6.2.0 has a NULL pointer dereference in onig_error_code_to

Onigmo through 6.2.0 has a NULL pointer dereference in onig_error_code_to_str because of fetch_token in regparse.c.

Published 2019-09-09 17:15:13

Updated 2019-09-10 14:30:34

Source MITRE

View at NVD, CVE.org

Vulnerability category: Memory Corruption

Products affected by CVE-2019-16161

K-takata » Onigmo
Versions up to, including, (<=) 6.2.0
cpe:2.3:a:k-takata:onigmo:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.14%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 50 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

Assigned by: nvd@nist.gov (Primary)

https://github.com/k-takata/Onigmo/issues/132

Memory corruption in onig_error_code_to_str() · Issue #132 · k-takata/Onigmo · GitHub
Exploit;Third Party Advisory
https://github.com/k-takata/Onigmo/commit/9827d5a0298ee766f6041db9c0080166ff6cdce8

Merge pull request #134 from k-takata/fix-segv-in-error-str · k-takata/Onigmo@9827d5a · GitHub
Patch;Third Party Advisory

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