CVE-2020-27794: Double Free
A double free issue was discovered in radare2 in cmdinfo.c:cmdinfo(). Successful exploitation could lead to modification of unexpected memory locations and potentially causing a crash.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
alpine/radare2to a version that resolves this vulnerability.Fixed in 4.4.0-r0
Event History
Frequently Asked Questions
What is CVE-2020-27794?
CVE-2020-27794 is a vulnerability in radare2 that allows for a double free issue, potentially leading to memory modification and crashes.
How can CVE-2020-27794 be exploited?
CVE-2020-27794 can be exploited by triggering the double free issue in radare2's cmd_info() function.
What is the severity of CVE-2020-27794?
CVE-2020-27794 has a severity rating of 9.1, which is considered critical.
Which version of radare2 is affected by CVE-2020-27794?
Radare2 versions up to and excluding 4.4.0 are affected by CVE-2020-27794.
Is there a fix available for CVE-2020-27794?
Yes, a fix for CVE-2020-27794 is available. It is recommended to update to a version of radare2 that is not affected by this vulnerability.