What is CVE-2018-20455?

CVE-2018-20455 is a medium-severity vulnerability in Radare Radare2, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2018-12-25.

How severe is CVE-2018-20455?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Radare Radare2

CVE-2018-20455

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.

Vulnerability class: Buffer Overflow

EPSS: 0.010 (60.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Radare Radare2
N/a — versions n/a

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-20455?: CVE-2018-20455 is a medium-severity vulnerability in Radare Radare2, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2018-12-25.
How severe is CVE-2018-20455?: Medium severity. CVSS v3 base score is 5.5 out of 10.