CVE-2018-20455 — MEDIUM (5.5)

Q: How severe is CVE-2018-20455?

CVE-2018-20455 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2018-20455?

Check the references section above for vendor advisories and patch information. Affected products include: Radare Radare2.

Vulnerability Description

In radare2 prior to 3.1.1, the parseOperand function inside libr/asm/p/asm_x86_nz.c may allow attackers to cause a denial of service (application crash via a stack-based buffer overflow) by crafting an input file, a related issue to CVE-2018-20456.

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
Radare	Radare2	< 3.1.1

Related Weaknesses (CWE)

CWE-787

References

https://github.com/radare/radare2/commit/9b46d38dd3c4de6048a488b655c7319f845af18PatchThird Party Advisory
https://github.com/radare/radare2/issues/12373ExploitThird Party Advisory
https://github.com/radare/radare2/commit/9b46d38dd3c4de6048a488b655c7319f845af18PatchThird Party Advisory
https://github.com/radare/radare2/issues/12373ExploitThird Party Advisory

FAQ

What is CVE-2018-20455?

CVE-2018-20455 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In radare2 prior to 3.1.1, the parseOperand function inside libr/asm/p/asm_x86_nz.c may allow attackers to cause a denial of service (application crash via a stack-based buffer overflow) by crafting a...

How severe is CVE-2018-20455?

CVE-2018-20455 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-2018-20455?

Check the references section above for vendor advisories and patch information. Affected products include: Radare Radare2.