CVE-2018-20456 — Out-of-bounds Read in Radare2

CWE-125 — Out-of-bounds ReadCWE-787 — Out-of-bounds Write10 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.2%
top 60.36%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Radare Radare2Debian Radare2
Timeline
PublishedDec 25
Latest updateMay 14

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 in libr/util/strbuf.c via a stack-based buffer over-read) by crafting an input file, a related issue to CVE-2018-20455.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages2 packages

▶NVDradare/radare2< 3.1.1
▶debiandebian/radare2< radare2 3.1.2+dfsg-1 (sid)

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

4
GHSA
GHSA-8x9g-h36m-4rg2: In radare2 prior to 3↗2022-05-14
▶
GHSA
GHSA-4gxh-j76f-ghg6: In radare2 prior to 3↗2022-05-13
▶
OSV
CVE-2018-20455: In radare2 prior to 3↗2018-12-25
▶
OSV
CVE-2018-20456: In radare2 prior to 3↗2018-12-25
▶

📋Vendor Advisories

2
Debian
CVE-2018-20455: radare2 - In radare2 prior to 3.1.1, the parseOperand function inside libr/asm/p/asm_x86_n...↗2018
▶
Debian
CVE-2018-20456: radare2 - In radare2 prior to 3.1.1, the parseOperand function inside libr/asm/p/asm_x86_n...↗2018
▶

💬Community

2
Bugzilla
CVE-2018-20455 CVE-2018-20456 CVE-2018-20457 CVE-2018-20458 CVE-2018-20459 CVE-2018-20460 CVE-2018-20461 radare2: Multiple vulnerabilities↗2019-01-07
▶
Bugzilla
CVE-2018-20455 CVE-2018-20456 CVE-2018-20457 CVE-2018-20458 CVE-2018-20459 CVE-2018-20460 CVE-2018-20461 radare2: Multiple vulnerabilities [fedora-all]↗2019-01-07
▶