Vulnerability · Published Aug 19, 2022 · Assigned by redhat
CVE-2020-27794
Critical 9.1
In plain English
A critical-severity double free in radare2. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 67% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)1.1%top 33.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A double free issue was discovered in radare2 in cmd_info.c:cmd_info(). Successful exploitation could lead to modification of unexpected memory locations and potentially causing a crash.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | radare2 | 4.4.0-r0 | ALPINE-CVE-2020-27794 |
| Alpine:v3.21 | radare2 | 4.4.0-r0 | ALPINE-CVE-2020-27794 |
| Alpine:v3.22 | radare2 | 4.4.0-r0 | ALPINE-CVE-2020-27794 |
| Alpine:v3.23 | radare2 | 4.4.0-r0 | ALPINE-CVE-2020-27794 |
| Alpine:v3.24 | radare2 | 4.4.0-r0 | ALPINE-CVE-2020-27794 |
Affected products (as reported)
Weakness: CWE-415
References
- https://github.com/radareorg/radare2/issues/16303 x_refsource_MISC
- https://github.com/radareorg/radare2/commit/cb8b683758edddae2d2f62e8e63a738c39f92683 x_refsource_MISC