CVEvulnerability
CVE-2017-6731
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2017-07-10
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-119
Description
A vulnerability in Multicast Source Discovery Protocol (MSDP) ingress packet processing for Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause the MSDP session to be unexpectedly reset, causing a short denial of service (DoS) condition. The MSDP session will restart within a few seconds. More Information: CSCvd94828. Known Affected Releases: 4.3.2.MCAST 6.0.2.BASE. Known Fixed Releases: 6.3.1.19i.MCAST 6.2.3.1i.MCAST 6.2.2.17i.MCAST 6.1.4.12i.MCAST.
Affected configurations
• cisco ios xr 4.3.2.mcast
• cisco ios xr 6.0.2.base
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://www.securitytracker.com/id/1038820 Third Party Advisory, VDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170705-iosxr Vendor Advisory
- http://www.securitytracker.com/id/1038820 Third Party Advisory, VDB Entry
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170705-iosxr Vendor Advisory