SB2015080402 - Remote code execution in net-snmp (Alpine package)
Published: August 4, 2015
Security Bulletin ID
SB2015080402
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Remote code execution (CVE-ID: CVE-2015-5621)
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.The weakness exists due to the snmp_pdu_parse function in snmp_api.c does not remove the varBind variable in a netsnmp_variable_list item when parsing of the SNMP PDU fails. A remote attacker can supply specially crafted input and cause denial of service or execute arbitrary code with elevated privileges.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=35e2993f2f4973ae7f7e8aca72dc087c34076f20
- https://git.alpinelinux.org/aports/commit/?id=d2bfb22c8e8f67ad7d8d02704f35ec4d2a19f9b9
- https://git.alpinelinux.org/aports/commit/?id=5dee66641ebb81f56486be12c4cbb4edf40642a3
- https://git.alpinelinux.org/aports/commit/?id=806be1157926f79d39530bf13f9d388dde037426
- https://git.alpinelinux.org/aports/commit/?id=09f1cb8fc8c006e59a36dd2930f62113cd7f38d4
- https://git.alpinelinux.org/aports/commit/?id=1cc17473b842734155ab967aa1d64e7941c44d28
- https://git.alpinelinux.org/aports/commit/?id=7cdb08f4a0e7984d2b56cac22996f3fed4e089b2
- https://git.alpinelinux.org/aports/commit/?id=952004e3925d2c79bbdc8415aeb08d9c2e57a29a