SB2022020324 - Multiple vulnerabilities in Radare2
Published: February 3, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2022-0173)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in libr/io/io_bank.c. A remote attacker can pass specially crafted data to the application, trigger an out-of-bounds read error and read contents of memory on the system.
2) NULL pointer dereference (CVE-ID: CVE-2022-0419)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error within the libr/bin/p/bin_xnu_kernelcache.c file. A remote attacker can pass specially crafted data to the application, trigger a NULL pointer dereference error and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://huntr.dev/bounties/727d8600-88bc-4dde-8dea-ee3d192600e5
- https://github.com/radareorg/radare2/commit/37897226a1a31f982bfefdc4aeefc2e50355c73c
- https://github.com/radareorg/radare2/releases/tag/5.6.0
- https://huntr.dev/bounties/1f84e79d-70e7-4b29-8b48-a108f81c89aa
- https://github.com/radareorg/radare2/commit/feaa4e7f7399c51ee6f52deb84dc3f795b4035d6