CVE-2017-3862 — HIGH (8.6) — White Hats Nepal

Vulnerability Description

Multiple vulnerabilities in the EnergyWise module of Cisco IOS (12.2 and 15.0 through 15.6) and Cisco IOS XE (3.2 through 3.18) could allow an unauthenticated, remote attacker to cause a buffer overflow condition or a reload of an affected device, leading to a denial of service (DoS) condition. These vulnerabilities are due to improper parsing of crafted EnergyWise packets destined to an affected device. An attacker could exploit these vulnerabilities by sending crafted EnergyWise packets to be processed by an affected device. An exploit could allow the attacker to cause a buffer overflow condition or a reload of the affected device, leading to a DoS condition. Cisco IOS Software and Cisco IOS XE Software support EnergyWise for IPv4 communication. Only IPv4 packets destined to a device configured as an EnergyWise domain member can trigger these vulnerabilities. IPv6 packets cannot be used to trigger these vulnerabilities. Cisco Bug ID CSCuu76493.

CVSS Score

8.6

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Cisco	Ios	12.2\(33\)sxi4
Cisco	Ios Xe	3.2.1sg

Related Weaknesses (CWE)

CWE-119

References

http://www.securityfocus.com/bid/97935Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038313
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory
http://www.securityfocus.com/bid/97935Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038313
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-2Vendor Advisory

FAQ

What is CVE-2017-3862?

CVE-2017-3862 is a vulnerability with a CVSS score of 8.6 (HIGH). Multiple vulnerabilities in the EnergyWise module of Cisco IOS (12.2 and 15.0 through 15.6) and Cisco IOS XE (3.2 through 3.18) could allow an unauthenticated, remote attacker to cause a buffer overfl...

How severe is CVE-2017-3862?

CVE-2017-3862 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-3862?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios, Cisco Ios Xe.