Unrated severityNVD Advisory· Published Jul 24, 2023· Updated Sep 27, 2024
Inifinite loop in babld message parsing may cause dos
CVE-2023-3748
Description
A flaw was found in FRRouting when parsing certain babeld unicast hello messages that are intended to be ignored. This issue may allow an attacker to send specially crafted hello messages with the unicast flag set, the interval field set to 0, or any TLV that contains a sub-TLV with the Mandatory flag set to enter an infinite loop and cause a denial of service.
Affected products
8cpe:/o:redhat:enterprise_linux:8+ 1 more
- cpe:/o:redhat:enterprise_linux:8
- cpe:/o:redhat:enterprise_linux:9
- osv-coords5 versionspkg:rpm/opensuse/frr&distro=openSUSE%20Leap%2015.5pkg:rpm/opensuse/frr&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/frr&distro=openSUSE%20Tumbleweedpkg:rpm/suse/frr&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP5pkg:rpm/suse/frr&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP6
< 8.4-150500.4.8.1+ 4 more
- (no CPE)range: < 8.4-150500.4.8.1
- (no CPE)range: < 8.5.6-150500.4.30.1
- (no CPE)range: < 8.4-5.1
- (no CPE)range: < 8.4-150500.4.8.1
- (no CPE)range: < 8.5.6-150500.4.30.1
- Fedora/Fedorav5
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
2- access.redhat.com/security/cve/CVE-2023-3748mitrevdb-entryx_refsource_REDHAT
- bugzilla.redhat.com/show_bug.cgimitreissue-trackingx_refsource_REDHAT
News mentions
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