Out-of-bounds Read in Radare Radare2
CVE-2018-20456
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 in libr/util/strbuf.c via a stack-based buffer over-read) by crafting an input file, a related issue to CVE-2018-20455.
Vulnerability class: Buffer Overflow
EPSS: 0.010 (59.1th 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)
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-2018-20456?
- CVE-2018-20456 is a medium-severity vulnerability in Radare Radare2, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2018-12-25.
- How severe is CVE-2018-20456?
- Medium severity. CVSS v3 base score is 5.5 out of 10.