CVE-2019-11745
High
Description
When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds write could occur. This could have caused heap corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Mozilla Firefox
PublishedJan 8, 2020
First seenJan 8, 2020
How to fix
Update
- mozilla firefox71.0 or later
- mozilla firefox_esr68.3 or later
- mozilla thunderbird68.3.0 or later
- siemens ruggedcom_rox_mx5000_firmware2.14.0 or later
- siemens ruggedcom_rox_rx1400_firmware2.14.0 or later
- siemens ruggedcom_rox_rx1500_firmware2.14.0 or later
- siemens ruggedcom_rox_rx1501_firmware2.14.0 or later
- siemens ruggedcom_rox_rx1510_firmware2.14.0 or later
- siemens ruggedcom_rox_rx1511_firmware2.14.0 or later
- siemens ruggedcom_rox_rx1512_firmware2.14.0 or later
- siemens ruggedcom_rox_rx5000_firmware2.14.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mozilla firefox | v < 71.0 | 71.0 |
| mozilla firefox_esr | v < 68.3 | 68.3 |
| mozilla thunderbird | v < 68.3.0 | 68.3.0 |
| opensuse leap | 15.1 | — |
| canonical ubuntu_linux | 16.04, 18.04, 19.10 | — |
| debian debian_linux | 9.0 | — |
| redhat enterprise_linux_server_aus | 6.6 | — |
| siemens ruggedcom_rox_mx5000_firmware | v < 2.14.0 | 2.14.0 |
| siemens ruggedcom_rox_rx1400_firmware | v < 2.14.0 | 2.14.0 |
| siemens ruggedcom_rox_rx1500_firmware | v < 2.14.0 | 2.14.0 |
| siemens ruggedcom_rox_rx1501_firmware | v < 2.14.0 | 2.14.0 |
| siemens ruggedcom_rox_rx1510_firmware | v < 2.14.0 | 2.14.0 |
| siemens ruggedcom_rox_rx1511_firmware | v < 2.14.0 | 2.14.0 |
| siemens ruggedcom_rox_rx1512_firmware | v < 2.14.0 | 2.14.0 |
| siemens ruggedcom_rox_rx5000_firmware | v < 2.14.0 | 2.14.0 |
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