by Kastro
Paper/Archive/CVE-2021-32495

CVE-2021-32495

radare2 radare2 — Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function.

EPSS 0.8%CVSS 10.0
critical.is priorityof 100
41
CVSS 10.0 (CNA)10.0 / 10 × 3030.0Not in CISA KEV+300.0EPSS percentile 55.6.556 × 2011.1No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Radare2 has a use-after-free vulnerability in pyc parser's get_none_object function. Attacker can read freed memory afterwards. This will allow attackers to cause denial of service.

Affected

ProductAffectedFixed inSource
radare2radare2 5.3.0-git 26142–CNA

Scores by source

fedora (CNA)10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refgithub.com/radareorg/radare2/issues/18666refgithub.com/radareorg/radare2/commit/5e16e2d1c9fe245e4c17005d779fde91ec0b9c05