Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Net-Snmp | Net-Snmp | <= 5.7.2 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-updates/2015-09/msg00004.html
- http://rhn.redhat.com/errata/RHSA-2015-1636.html
- http://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc7389147
- http://support.citrix.com/article/CTX209443
- http://www.openwall.com/lists/oss-security/2015/04/13/1Exploit
- http://www.openwall.com/lists/oss-security/2015/04/16/15
- http://www.openwall.com/lists/oss-security/2015/07/31/1
- http://www.securityfocus.com/bid/76380
- http://www.securitytracker.com/id/1033304
- http://www.ubuntu.com/usn/USN-2711-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1212408
- https://cert-portal.siemens.com/productcert/pdf/ssa-978220.pdf
- https://sourceforge.net/p/net-snmp/bugs/2615/
- https://www.debian.org/security/2018/dsa-4154
- https://www.exploit-db.com/exploits/45547/
FAQ
What is CVE-2015-5621?
CVE-2015-5621 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 att...
How severe is CVE-2015-5621?
CVE-2015-5621 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-5621?
Check the references section above for vendor advisories and patch information. Affected products include: Net-Snmp Net-Snmp.