vulnerability
Amazon Linux AMI: CVE-2017-7805: Security patch for nss (ALAS-2017-911)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Sep 28, 2017 | Oct 13, 2017 | Aug 17, 2018 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Sep 28, 2017
Added
Oct 13, 2017
Modified
Aug 17, 2018
Description
During TLS 1.2 exchanges, handshake hashes are generated which point to a message buffer. This saved data is used for later messages but in some cases, the handshake transcript can exceed the space available in the current buffer, causing the allocation of a new buffer. This leaves a pointer pointing to the old, freed buffer, resulting in a use-after-free when handshake hashes are then calculated afterwards. This can result in a potentially exploitable crash. This vulnerability affects Firefox
Solution
amazon-linux-upgrade-nss
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