SB2022032509 - Heap-based buffer overflow in radare2

Description

This security bulletin contains information about 2 vulnerabilities.

1) Heap-based buffer overflow (CVE-ID: CVE-2022-1052)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the iterate_chained_fixups function. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Use-after-free (CVE-ID: CVE-2022-1031)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in op_is_set_bp function. A remote attacker can execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://huntr.dev/bounties/3b3b7f77-ab8d-4de3-999b-eeec0a3eebe7
• https://github.com/radareorg/radare2/commit/0052500c1ed5bf8263b26b9fd7773dbdc6f170c4
• https://huntr.dev/bounties/37da2cd6-0b46-4878-a32e-acbfd8f6f457
• https://github.com/radareorg/radare2/commit/a7ce29647fcb38386d7439696375e16e093d6acb