Summary
Nicky Mouha discovered that PyPy incorrectly handled certain SHA-3
operations. An attacker could possibly use this issue to cause PyPy to
crash, resulting in a denial of service, or possibly execute arbitrary
code.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · 20.04 LTS 20.04:LTS | pypy3 | 7.3.1+dfsg-4ubuntu0.1 |
| Ubuntu · 22.04 LTS 22.04:LTS | pypy3 | 7.3.9+dfsg-1ubuntu0.1 |
Vulnerabilities 1
-
Critical 9.8
Buffer overflow in sponge queue functions
The Keccak XKCP SHA-3 reference implementation before fdc6fef has an integer overflow and resultant buffer overflow that allows attackers to execute arbitrary code or eliminate expected cryptographic properties. This occurs in the sponge function interface.
References
-
report
https://ubuntu.com/security/CVE-2022-37454