CVE-2023-41361

An issue was discovered in FRRouting FRR 9.0

published August 29, 2023

CVSS
โ€”
EPSS
1%
Percentile
59.3
In the wild
Unconfirmed
What it is

โš ๏ธ A software version that's too long could spell trouble! The FRRouting FRR 9.0 has a sneaky flaw in bgpd/bgp_open.c that overlooks oversized version lengths, potentially causing unexpected behaviors. ๐Ÿ” Think of it like a restaurant menu that just keeps adding items without considering how long it is โ€” if a customer can't see the selections because it's too lengthy, they might miss out on their favorites or even get confused! This oversight means that if an attacker finds a way to exploit this flaw, it could lead to erratic BGP (Border Gateway Protocol) behavior, potentially affecting routing decisions and network stability. While no immediate exploits are known, the implications could disrupt how data flows across networks, which is quite a big deal!

Put simply

Think of it like a restaurant menu that just keeps adding items without considering how long it is โ€” if a customer can't see the selections because it's too lengthy, they might miss out on their favorites or even get confused! In FRRouting FRR 9.0, the bgpd implementation fails to validate the length of the software version string received, which can lead to unexpected behavior if the length exceeds expected limits. This creates a potential attack vector that could affect BGP operations.

What to do

This oversight means that if an attacker finds a way to exploit this flaw, it could lead to erratic BGP (Border Gateway Protocol) behavior, potentially affecting routing decisions and network stability. While no immediate exploits are known, the implications could disrupt how data flows across networks, which is quite a big deal! To secure your systems, ensure you upgrade to the latest version of FRRouting that includes fixes for this issue. Regularly audit BGP configurations and monitor for unusual routing behaviors, just to be on the safe side! You've got this! Stay proactive, and you'll keep your network running smoothly! ๐Ÿ›ก๏ธ

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00901 ยท 59.3th percentile
Published
2023-08-29T00:00Z
EPSS history
Timeline
  • 29 AUG 00:00Z
    An issue was discovered in FRRouting FRR 9.0
    cvelistv5