Medium severity · published Jan 15, 2019
CVE-2019-3554
Wangle's AcceptRoutingHandler incorrectly casts a socket when accepting a TLS 1.3 connection, leading to a potential denial of service attack against systems accepting such…
5.9
CVSS
1.1%
EPSS
No
On KEV
Description
Wangle's AcceptRoutingHandler incorrectly casts a socket when accepting a TLS 1.3 connection, leading to a potential denial of service attack against systems accepting such connections. This affects versions of Wangle prior to v2019.01.14.00
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
High
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WA
Wangle · Facebook
v2019.01.14.00; before v2019.01.14.00 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-3554
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-3554
Patch
https://github.com/facebook/wangle/commit/3b17ba10a82c71e7808760e027ac6af687e06074
More from Wangle
9.8
CVE-2019-3563
Wangle's LineBasedFrameDecoder contains logic for identifying newlines which incorrectly advances a buffer, leading to a potential underflow