SB2017061388 - Null pointer dereference in wireshark (Alpine package)
Published: June 13, 2017
Security Bulletin ID
SB2017061388
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Null pointer dereference (CVE-ID: CVE-2017-9343)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists due to NULL pointer dereference in the MSNIP dissector when validating an IPv4 address. A remote attacker can inject a malformed packet epan/dissectors/packet-msnip.c onto the wire or persuade the target user to read a malformed packet trace file and cause the application to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=9a266b0bdb88c3710446f1c69818d9ecf8ce4d75
- https://git.alpinelinux.org/aports/commit/?id=c391ebdf94fe2d08dd67176f88fa086e00472396
- https://git.alpinelinux.org/aports/commit/?id=e60cdc58fdbbe1c315e9327497e04e61dd8bd4b4
- https://git.alpinelinux.org/aports/commit/?id=012e5b8ddaa5ad3353e0df651fd6b2f2097705ab