CVE-2015-4047 Null dereference in n/a
Remote attackers can crash the IKE daemon via crafted UDP requests, causing denial of service in IPsec-Tools.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-4047?
CVE-2015-4047 is a high-severity vulnerability in Canonical Ubuntu Linux, published on 29 May 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
racoon/gssapi.c in IPsec-Tools 0.8.2 allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon crash) via a series of crafted UDP requests.
Weakness: CWE-476
Which versions are affected by CVE-2015-4047?
It affects 25 products.
Linux distribution packages (5)
ipsec-tools SUSE:Linux Enterprise Server 11 SP3 | All versions | 0.7.3-1.13.1 |
ipsec-tools SUSE:Linux Enterprise Server 11 SP3-TERADATA | All versions | 0.7.3-1.13.1 |
ipsec-tools SUSE:Linux Enterprise Server 11 SP4 | All versions | 0.7.3-1.13.1 |
ipsec-tools SUSE:Linux Enterprise Server for SAP Applications 11 SP3 | All versions | 0.7.3-1.13.1 |
ipsec-tools SUSE:Linux Enterprise Server for SAP Applications 11 SP4 | All versions | 0.7.3-1.13.1 |
Products include Canonical Ubuntu Linux, Debian Debian Linux, F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager and 19 more.
How do I fix CVE-2015-4047?
Apply the vendor's patch.
Is CVE-2015-4047 being exploited?
There is no known exploitation of CVE-2015-4047 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as DLA-234-1, DSA-3272-1, GHSA-47jj-2hp6-grww, MGASA-2015-0243, SUSE-SU-2015:1367-1, UBUNTU-CVE-2015-4047.