Summary
FRRouting is free software that manages TCP/IP based routing protocols. It supports BGP4, OSPFv2, OSPFv3, ISIS, RIP, RIPng, PIM, NHRP, PBR, EIGRP and BFD.
Security Fix(es):
* ffr: Flowspec overflow in bgpd/bgp_flowspec.c (CVE-2023-38406)
* ffr: Out of bounds read in bgpd/bgp_label.c (CVE-2023-38407)
* frr: crash from specially crafted MP_UNREACH_NLRI-containing BGP UPDATE message (CVE-2023-47234)
* frr: crash from malformed EOR-containing BGP UPDATE message (CVE-2023-47235)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Fixed packages 2
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux · 8 | frr | 7.5.1-13.el8_9.3.alma.1 |
| AlmaLinux · 8 | frr-selinux | 7.5.1-13.el8_9.3.alma.1 |
Vulnerabilities 4
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High 7.5
bgpd/bgp_label.c in FRRouting (FRR) before 8.5 attempts to read beyond the end of the stream during labeled unicast par…
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High 7.5
An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur when processing a crafted BGP UPDATE message …
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Medium 6.8
An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur when a malformed BGP UPDATE message with an E…
-
Unscored —
bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a "flowspec overflow."
References
-
report
https://access.redhat.com/security/cve/CVE-2023-38406
-
report
https://access.redhat.com/security/cve/CVE-2023-38407
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report
https://access.redhat.com/security/cve/CVE-2023-47234
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report
https://access.redhat.com/security/cve/CVE-2023-47235
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report
https://bugzilla.redhat.com/2248207
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report
https://bugzilla.redhat.com/2248208
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report
https://bugzilla.redhat.com/2248526
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report
https://bugzilla.redhat.com/2248528
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advisory
https://errata.almalinux.org/8/ALSA-2024-0130.html