The upstream bug report describes this issue as follows:
An information leak vulnerability was discovered in HAProxy 2.1, 2.2 before 2.2.27, 2.3, 2.4 before 2.4.21, 2.5 before 2.5.11, 2.6 before 2.6.8, 2.7 before 2.7.1. There are 5 bytes left uninitialized in the connection buffer when encoding the FCGI_BEGIN_REQUEST record. Sensitive data may be disclosed to configured FastCGI backends in an unexpected way.
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 2 - Haproxy2 Extra | haproxy2 | 2023-08-04 20:34 | ALAS2HAPROXY2-2023-002 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N |
NVD | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |