Vulnerability · Published Aug 19, 2022 · Assigned by redhat
CVE-2020-27793
High 7.5
In plain English
A high-severity security flaw in radare2. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.2%top 32.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
An off-by-one overflow flaw was found in radare2 due to mismatched array length in core_java.c. This could allow an attacker to cause a crash, and perform a denail of service attack.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | radare2 | 4.4.0-r0 | ALPINE-CVE-2020-27793 |
| Alpine:v3.21 | radare2 | 4.4.0-r0 | ALPINE-CVE-2020-27793 |
| Alpine:v3.22 | radare2 | 4.4.0-r0 | ALPINE-CVE-2020-27793 |
| Alpine:v3.23 | radare2 | 4.4.0-r0 | ALPINE-CVE-2020-27793 |
| Alpine:v3.24 | radare2 | 4.4.0-r0 | ALPINE-CVE-2020-27793 |
Affected products (as reported)
Weakness: CWE-193
References
- https://github.com/radareorg/radare2/issues/16304 x_refsource_MISC
- https://github.com/radareorg/radare2/commit/ced0223c7a1b3b5344af315715cd28fe7c0d9ebc x_refsource_MISC