Buffer overflow in Cisco Ios
CVE-2018-0172
A vulnerability in the DHCP option 82 encapsulation functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS)…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.080 (94.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Cisco Ios
- Cisco Ios_xe
- Rockwellautomation Allen-bradley_armorstratix_5700
- Rockwellautomation Allen-bradley_stratix_5400
- Rockwellautomation Allen-bradley_stratix_5410
- Rockwellautomation Allen-bradley_stratix_5700
- Rockwellautomation Allen-bradley_stratix_8000
- Rockwellautomation Allen-bradley_stratix_8300
- N/a Cisco Ios And Xe — versions Cisco IOS and IOS XE
Weakness classification (CWE)
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- psirt@cisco.com (US Government Resource, Third Party Advisory, x_refsource_MISC)
- psirt@cisco.com (Third Party Advisory, x_refsource_MISC)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)
- psirt@cisco.com (US Government Resource, Third Party Advisory, x_refsource_MISC)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)
Frequently asked questions
- What is CVE-2018-0172?
- CVE-2018-0172 is a high-severity vulnerability in Cisco Ios, classified under Improper Input Validation. CVSS score: 8.6/10. Published 2018-03-28.
- How severe is CVE-2018-0172?
- High severity. CVSS v3 base score is 8.6 out of 10.
- Is CVE-2018-0172 known to be exploited?
- Yes. CVE-2018-0172 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-03-03), indicating it is being actively exploited. 2 public proof-of-concept repositories are indexed.