CVE-2024-31951 — Classic Buffer Overflow in Frrouting

CWE-120 — Classic Buffer OverflowCWE-121 — Stack-based Buffer Overflow7 documents7 sources
Severity
6.5MEDIUMNVD
EPSS
0.1%
top 74.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Debian FRRFrroutingMsrc Cbl2 FRR 8.5.3-6 ON CBL Mariner 2.0+3 more
Timeline
PublishedApr 7
Latest updateMay 28

Description

In the Opaque LSA Extended Link parser in FRRouting (FRR) through 9.1, there can be a buffer overflow and daemon crash in ospf_te_parse_ext_link for OSPF LSA packets during an attempt to read Segment Routing Adjacency SID subTLVs (lengths are not validated).

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages6 packages

▶debiandebian/frr< frr 10.0.1-0.1 (forky)

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-h4c3-x7vv-8q28: In the Opaque LSA Extended Link parser in FRRouting (FRR) through 9↗2024-04-07
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OSV
CVE-2024-31951: In the Opaque LSA Extended Link parser in FRRouting (FRR) through 9↗2024-04-07
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📋Vendor Advisories

4
Ubuntu
FRR vulnerabilities↗2024-05-28
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Microsoft
In the Opaque LSA Extended Link parser in FRRouting (FRR) through 9.1 there can be a buffer overflow and daemon crash in ospf_te_parse_ext_link for OSPF LSA packets during an attempt to read Segment R↗2024-04-09
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Red Hat
frr: buffer overflow in ospf_te_parse_ext_link↗2024-04-07
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Debian
CVE-2024-31951: frr - In the Opaque LSA Extended Link parser in FRRouting (FRR) through 9.1, there can...↗2024
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