CVE-2018-0175
What it is
Format String vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. Cisco Bug IDs: CSCvd73664.
At a glance
- Exploitability
- Can be exploited from the same network segment without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2022-03-03 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2022-03-17 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 3.5% in the next 30 days (EPSS).
- Severity: 8.0 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Added to CISA KEV
- 2022-03-03
- Exploit probability
- 3.5% · EPSS, next 30 days
- Weakness
- CWE-119 · Buffer errors
- Record status
- Analyzed
Affected
- Cisco iOS 15.4\(3\)m4.1
- Cisco iOS Xe 15.4\(3\)m4.1
- Cisco iOS Xr 15.4\(3\)m4.1
- Cisco iOS ≤ 15.2\(4a\)ea5
- Cisco iOS Xe ≤ 15.2\(4a\)ea5
- Cisco iOS ≤ 15.2\(6\)e0a
- Cisco iOS Xe ≤ 15.2\(6\)e0a
- Cisco iOS ≤ 15.6.3m1
Attack profile CVSS 3.1 · 8.0
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2018-0175.md and follow it. Check whether this project is affected by CVE-2018-0175. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp
References
- http://www.securityfocus.com/bid/103564
- http://www.securitytracker.com/id/1040586
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp
- http://www.securityfocus.com/bid/103564
- http://www.securitytracker.com/id/1040586
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0175