CVE-2015-5621 Memory corruption in n/a
Remote attackers can cause a crash or execute arbitrary code via crafted SNMP packets due to improper memory handling in net-snmp.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2015-5621?
CVE-2015-5621 is a high-severity memory corruption vulnerability in n/a, published on 19 Aug 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The snmp_pdu_parse function in snmp_api.c in net-snmp 5.7.2 and earlier does not remove the varBind variable in a netsnmp_variable_list item when parsing of the SNMP PDU fails, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted packet.
Which versions are affected by CVE-2015-5621?
It affects 1 product.
Linux distribution packages (13)
net-snmp SUSE:Linux Enterprise Desktop 11 SP3 | All versions | 5.4.2.1-8.12.24.1 |
net-snmp SUSE:Linux Enterprise Desktop 11 SP4 | All versions | 5.4.2.1-8.12.24.1 |
net-snmp SUSE:Linux Enterprise Desktop 12 | All versions | 5.7.2.1-4.3.2 |
net-snmp SUSE:Linux Enterprise Server 11 SP3 | All versions | 5.4.2.1-8.12.24.1 |
net-snmp SUSE:Linux Enterprise Server 11 SP3-TERADATA | All versions | 5.4.2.1-8.12.24.1 |
net-snmp SUSE:Linux Enterprise Server 11 SP4 | All versions | 5.4.2.1-8.12.24.1 |
net-snmp SUSE:Linux Enterprise Server 12 | All versions | 5.7.2.1-4.3.2 |
net-snmp SUSE:Linux Enterprise Server for SAP Applications 11 SP3 | All versions | 5.4.2.1-8.12.24.1 |
net-snmp SUSE:Linux Enterprise Server for SAP Applications 11 SP4 | All versions | 5.4.2.1-8.12.24.1 |
net-snmp SUSE:Linux Enterprise Server for SAP Applications 12 | All versions | 5.7.2.1-4.3.2 |
net-snmp SUSE:Linux Enterprise Software Development Kit 11 SP3 | All versions | 5.4.2.1-8.12.24.1 |
net-snmp SUSE:Linux Enterprise Software Development Kit 11 SP4 | All versions | 5.4.2.1-8.12.24.1 |
net-snmp SUSE:Linux Enterprise Software Development Kit 12 | All versions | 5.7.2.1-4.3.2 |
Products include Net-Snmp Net-Snmp.
How do I fix CVE-2015-5621?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2015-5621 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2015-5621 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2015-5621, GHSA-w7cc-jv4p-qccr, SUSE-SU-2015:1524-1, SUSE-SU-2015:1556-1, UBUNTU-CVE-2015-5621.