CVE-2024-31950: frrouting Buffer Overflow — Fix

Description

In FRRouting (FRR) through 9.1, there can be a buffer overflow and daemon crash in ospf_te_parse_ri for OSPF LSA packets during an attempt to read Segment Routing subTLVs (their size is not validated).

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CVSS v3.1 Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Weakness Type (CWE)

CWE-120 CWE-120

Affected Products

Vendor	Product	Versions
frrouting	frrouting	< 9.1

References

Advisories & Patches

https://github.com/FRRouting/frr/pull/15674/commits/6b84541df71772f697a7f9e6b2aaf72536aab775 https://github.com/FRRouting/frr/pull/15674/commits/6b84541df71772f697a7f9e6b2aaf72536aab775

Other References

https://github.com/FRRouting/frr/pull/15674/ https://github.com/FRRouting/frr/pull/15674/

Frequently Asked Questions

What is CVE-2024-31950? +

In FRRouting (FRR) through 9.1, there can be a buffer overflow and daemon crash in ospf_te_parse_ri for OSPF LSA packets during an attempt to read Segment Routing subTLVs (their size is not validated). It has a CVSS v3.1 base score of 6.5 (MEDIUM).

How severe is CVE-2024-31950? +

CVE-2024-31950 has a CVSS v3.1 score of 6.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-31950? +

CVE-2024-31950 affects products from frrouting, specifically: frrouting. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-31950? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-31950