UBUNTU-CVE-2023-38802
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UBUNTU-CVE-2023-38802
Published: 28 Aug 2023Last Modified: 5 Feb 2026
Upstream:
Aliases:
Summary:
Details: FRRouting FRR 7.5.1 through 9.0 and Pica8 PICOS 4.3.3.2 allow a remote attacker to cause a denial of service via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).
References: https://ubuntu.com/security/CVE-2023-38802, https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling, https://kb.cert.org/vuls/id/347067, https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling, https://ubuntu.com/security/notices/USN-6323-1, https://www.cve.org/CVERecord?id=CVE-2023-38802, https://ubuntu.com/security/notices/USN-6807-1
Affected packages
Package
Name: frr
Purl: pkg:deb/ubuntu/[email protected]+esm2?arch=source&distro=esm-apps/focal
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -7.2.1-1ubuntu0.2+esm2
Affected versions
6.0.2-2build2
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
