Vulnerability CVE-2019-17192


Published: 2019-10-04   Modified: 2019-10-05

Description:
** DISPUTED ** The WebRTC component in the Signal Private Messenger application through 4.47.7 for Android processes videoconferencing RTP packets before a callee chooses to answer a call, which might make it easier for remote attackers to cause a denial of service or possibly have unspecified other impact via malformed packets. NOTE: the vendor plans to continue this behavior for performance reasons unless a WebRTC design change occurs.

Type:

CWE-20

(Improper Input Validation)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.5/10
6.4/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Signal -> Signal private messenger 

 References:
https://bugs.chromium.org/p/project-zero/issues/detail?id=1936
https://news.ycombinator.com/item?id=21161432
https://twitter.com/moxie/status/1180226374851710976

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