| Name | CVE-2015-5621 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more) |
| References | DLA-1317-1, DSA-4154-1 |
| NVD severity | high (attack range: remote) |
| Debian Bugs | 788964 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| net-snmp (PTS) | jessie | 5.7.2.1+dfsg-1+deb8u1 | fixed |
| jessie (security) | 5.7.2.1+dfsg-1+deb8u2 | fixed | |
| stretch (security), stretch | 5.7.3+dfsg-1.7+deb9u1 | fixed | |
| buster, sid | 5.7.3+dfsg-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| net-snmp | source | (unstable) | 5.7.3+dfsg-1.1 | high | 788964 | |
| net-snmp | source | jessie | 5.7.2.1+dfsg-1+deb8u1 | high | DSA-4154-1 | |
| net-snmp | source | wheezy | 5.4.3~dfsg-2.8+deb7u2 | high | DLA-1317-1 |
[squeeze] - net-snmp <no-dsa> (Minor issue)
http://www.openwall.com/lists/oss-security/2015/04/13/1
Upstream patch: https://sourceforge.net/p/net-snmp/code/ci/f23bcd3ac6ddee5d0a48f9703007ccc738914791/
https://sourceforge.net/p/net-snmp/bugs/2615/ (currently not public)