Vulnerability in Radare Radare2
CVE-2020-27795
A segmentation fault was discovered in radare2 with adf command. In libr/core/cmd_anal.c, when command "adf" has no or wrong argument, anal_fcn_data (core, input + 1) --> RAnalFunction *fcn = r_anal_get_fcn_in (core->anal, core->offset, -1); returns null pointer for fcn causing segmentation fault later in ensure_fcn_range (fcn).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (72.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.015 · change: +0.000
Affected products
- Radare Radare2
- Radare2 — versions Fixed in v4.4.0.
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/radareorg/radare2/issues/16215 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- github.com/radareorg/radare2/pull/16230 (Patch, Third Party Advisory, Issue Tracking)
- github.com/radareorg/radare2/commit/4d3811681a80f92a53e795f6a64c4b0fc2c8dd22 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-27795?
- CVE-2020-27795 is a high-severity vulnerability in Radare Radare2, classified under Use of Uninitialized Resource. CVSS score: 7.5/10. Published 2022-08-19.
- How severe is CVE-2020-27795?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-27795 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.