CVE-2017-5668: Null Pointer Dereference
bitlbee-libpurple before 3.5.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) and possibly execute arbitrary code via a file transfer request for a contact that is not in the contact list. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-10189.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
bitlbee-libpurpleto a version that resolves this vulnerability.Fixed in 3.5.1
Event History
Frequently Asked Questions
What is the severity of CVE-2017-5668?
CVE-2017-5668 has been classified as a moderate severity vulnerability due to its potential to cause denial of service and possible code execution.
How do I fix CVE-2017-5668?
To fix CVE-2017-5668, you should update Bitlbee and Bitlbee-libpurple to versions 3.5.1 or later.
What types of attacks can CVE-2017-5668 facilitate?
CVE-2017-5668 can facilitate denial of service attacks through a NULL pointer dereference and may allow arbitrary code execution.
Which versions of software are affected by CVE-2017-5668?
CVE-2017-5668 affects Bitlbee versions prior to 3.5.1 and Bitlbee-libpurple versions prior to 3.5.
How can I determine if I am impacted by CVE-2017-5668?
You can determine if you are impacted by CVE-2017-5668 by checking your installed versions of Bitlbee and Bitlbee-libpurple against the vulnerability's affected versions.