Information disclosure in frr - CVE-2017-15865
Published: September 26, 2024
Vulnerability identifier: #VU97714
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-15865
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: frrouting.org
Affected software:
frr
frr
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to an error when handling attribute length in BPG packets. A remote attacker can send a malformed BGP UPDATE packet from a connected peer and trigger transmission of up to a few thousand unintended bytes.
How to mitigate CVE-2017-15865
Install updates from vendor's website.
Sources
- https://lists.cumulusnetworks.com/pipermail/cumulus-security-announce/2017-November/000009.html
- https://support.cumulusnetworks.com/hc/en-us/articles/115014754307#rn690
- https://support.cumulusnetworks.com/hc/en-us/articles/115014778107-CVE-2017-15865-Malformed-BGP-UPDATE-Triggers-Information-Disclosure