CVE-2018-0131 Information disclosure in IOS and IOS XE
An unauthenticated remote attacker can obtain encrypted nonces from IKEv1 sessions on Cisco IOS devices configured with RSA-encrypted nonces.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-0131?
CVE-2018-0131 is a medium-severity vulnerability in Cisco Ios, published on 14 Aug 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the implementation of RSA-encrypted nonces in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to obtain the encrypted nonces of an Internet Key Exchange Version 1 (IKEv1) session. The vulnerability exists because the affected software responds incorrectly to decryption failures. An attacker could exploit this vulnerability sending crafted ciphertexts to a device configured with IKEv1 that uses RSA-encrypted nonces. A successful exploit could allow the attacker to obtain the encrypted nonces. Cisco Bug IDs: CSCve77140.
Weakness: CWE-326
Which versions are affected by CVE-2018-0131?
It affects 2 products.
Products include Cisco Ios, Cisco Ios Xe.
How do I fix CVE-2018-0131?
No fix has been published for CVE-2018-0131 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-0131 being exploited?
There is no known exploitation of CVE-2018-0131 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios
- CVE-2017-12240 Cisco IOS and IOS XE Software DHCP Remote Code Execution
- CVE-2017-3881 Cisco IOS and IOS XE Remote Code Execution
- CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow
- CVE-2017-6736 Cisco IOS and IOS XE Software SNMP Remote Code Execution
- CVE-2017-6737 Cisco IOS and IOS XE Software SNMP Remote Code Execution
Sources
Also known as GHSA-q37w-h76h-2g8q.