CVE-2017-15865 Information

Description

bgpd in FRRouting (FRR) before 2.0.2 and 3.x before 3.0.2 as used in Cumulus Linux before 3.4.3 and other products allows remote attackers to obtain sensitive information via a malformed BGP UPDATE packet from a connected peer which triggers transmission of up to a few thousand unintended bytes because of a mishandled attribute length aka RN-690 (CM-18492).

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

http://www.securityfocus.com/bid/101794 https://frrouting.org/community/security.html https://lists.cumulusnetworks.com/pipermail/cumulus-security-announce/2017-November/000009.html https://support.cumulusnetworks.com/hc/en-us/articles/115014754307rn690 https://support.cumulusnetworks.com/hc/en-us/articles/115014778107-CVE-2017-15865-Malformed-BGP-UPDATE-Triggers-Information-Disclosure

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5