CVE-2023-3748
published 2023-07-24CVE-2023-3748: 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…
PriorityP337high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.66%
47.5th percentile
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
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | frr | < frr 9.1-0.1 (forky) | frr 9.1-0.1 (forky) |
| frrouting | frrouting | < 8.5 | 8.5 |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
osv7.5HIGH
vendor_debian3.5LOW
vendor_redhat3.5LOW
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Ubuntu
FRR vulnerability
vendor_ubuntu·2023-07-24
CVE-2023-3748 FRR vulnerability
Title: FRR vulnerability
Summary: FRR could be made to denial of service if it received a
specially crafted message.
It was discovered that FRR incorrectly handled certain messages.
An attacker could possibly use this issue to cause a denial of service.
Instructions: In general, a standard system update will make all the necessary changes.
Red Hat
frr: Inifinite loop in babld message parsing may cause DoS
vendor_redhat·2023-04-15·CVSS 3.5
CVE-2023-3748 [LOW] CWE-835 frr: Inifinite loop in babld message parsing may cause DoS
frr: Inifinite loop in babld message parsing may cause DoS
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.
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.
Package: f
Debian
CVE-2023-3748: frr - A flaw was found in FRRouting when parsing certain babeld unicast hello messages...
vendor_debian·2023·CVSS 3.5
CVE-2023-3748 [LOW] CVE-2023-3748: frr - A flaw was found in FRRouting when parsing certain babeld unicast hello messages...
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.
Scope: local
bookworm: open
bullseye: resolved
forky: resolved (fixed in 9.1-0.1)
sid: resolved (fixed in 9.1-0.1)
trixie: resolved (fixed in 9.1-0.1)
OSV
CVE-2023-3748: A flaw was found in FRRouting when parsing certain babeld unicast hello messages that are intended to be ignored
osv·2023-07-24·CVSS 7.5
CVE-2023-3748 [HIGH] CVE-2023-3748: A flaw was found in FRRouting when parsing certain babeld unicast hello messages that are intended to be ignored
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.
GHSA
GHSA-w8cg-4xhg-9fgw: A flaw was found in FRRouting when parsing certain babeld unicast hello messages that are intended to be ignored
ghsa_unreviewed·2023-07-24
CVE-2023-3748 [HIGH] CWE-835 GHSA-w8cg-4xhg-9fgw: A flaw was found in FRRouting when parsing certain babeld unicast hello messages that are intended to be ignored
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2023-07-24
Published