CVE-2018-12102 — MEDIUM (5.5)

Vulnerability Description

md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to ctx->current_block.

CVSS Score

5.5

MEDIUM

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Md4C Project	Md4C	0.2.6

Related Weaknesses (CWE)

CWE-476

References

https://github.com/Edward-L/fuzzing-pocs/tree/master/md4cIssue TrackingThird Party Advisory
https://github.com/mity/md4c/issues/41Issue TrackingThird Party Advisory
https://github.com/Edward-L/fuzzing-pocs/tree/master/md4cIssue TrackingThird Party Advisory
https://github.com/mity/md4c/issues/41Issue TrackingThird Party Advisory

FAQ

What is CVE-2018-12102?

CVE-2018-12102 is a vulnerability with a CVSS score of 5.5 (MEDIUM). md4c 0.2.6 has a NULL pointer dereference in the function md_process_line in md4c.c, related to ctx->current_block.

How severe is CVE-2018-12102?

CVE-2018-12102 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-12102?

Check the references section above for vendor advisories and patch information. Affected products include: Md4C Project Md4C.