Improper input validation in Opensynergy Blue Sdk
CVE-2018-20378
The L2CAP signaling channel implementation and SDP server implementation in OpenSynergy Blue SDK 3.2 through 6.0 allow remote, unauthenticated attackers to execute arbitrary code or cause a denial of service via malicious L2CAP configuration requests, in conjunction with crafted SDP communication over maliciously configured L2CAP channels. The attacker must have connectivity over the Bluetooth physical layer, and must be able to send raw L2CAP frames. This is related to L2Cap_HandleConfigReq in core/stack/l2cap/l2cap_sm.c and SdpServHandleServiceSearchAttribReq in core/stack/sdp/sdpserv.c.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.cymotive.com/wp-content/uploads/2019/03/Hell2CAP-0day.pdf (Exploit, Third Party Advisory)
- www.opensynergy.com/news/security/bluesdk-advisory2018003/ (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-20378?
- CVE-2018-20378 is a high-severity vulnerability in Opensynergy Blue Sdk, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2019-03-29.
- How severe is CVE-2018-20378?
- High severity. CVSS v3 base score is 7.5 out of 10.