SB2018043028 - Infinite loop in wireshark (Alpine package)
Published: April 30, 2018
Security Bulletin ID
SB2018043028
Severity
Medium
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) Infinite loop (CVE-ID: CVE-2018-9257)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
In Wireshark 2.4.0 to 2.4.5, the CQL dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-cql.c by checking for a nonzero number of columns.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=215ab32e4b19dfb33cc73a102bd0beab21fe66c0
- https://git.alpinelinux.org/aports/commit/?id=3296b080a93bebe2fa5a42ed0bda9351f68b3f30
- https://git.alpinelinux.org/aports/commit/?id=82f356f8c4189cfb0802954a2e20f09baf6a49a0
- https://git.alpinelinux.org/aports/commit/?id=ec81538d245e98a04f14f8f9c4dc6cad899c18d3