SB2023050410 - Multiple vulnerabilities in FRRouting
Published: May 4, 2023 Updated: June 5, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2022-40318)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition. A remote attacker can use a specially crafted BGP OPEN message with an option of type 0xff, trigger an out-of-bounds read error and cause a denial of service condition on the system.
2) Out-of-bounds read (CVE-ID: CVE-2022-40302)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition. A remote attacker can use a specially crafted BGP OPEN message with an option of type 0xff, trigger an out-of-bounds read error and cause a denial of service condition on the system.
3) Input validation error (CVE-ID: CVE-2023-31490)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the bgp_attr_psid_sub() function in bgpd. A remote attacker can pass specially crafted input to the server and perform a denial of service (DoS) attack.
4) Input validation error (CVE-ID: CVE-2023-31489)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input within the bgp_capability_llgr() function in bgpd. A remote attacker can pass specially crafted input to the sevrer and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.