Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 71.0 |
| Mozilla | Firefox Esr | < 68.3 |
| Mozilla | Thunderbird | < 68.3.0 |
| Opensuse | Leap | 15.1 |
| Canonical | Ubuntu Linux | 16.04 |
| Debian | Debian Linux | 9.0 |
| Redhat | Enterprise Linux Server Aus | 6.6 |
| Siemens | Ruggedcom Rox Mx5000 Firmware | < 2.14.0 |
| Siemens | Ruggedcom Rox Mx5000 | - |
| Siemens | Ruggedcom Rox Rx1400 Firmware | < 2.14.0 |
| Siemens | Ruggedcom Rox Rx1400 | - |
| Siemens | Ruggedcom Rox Rx1500 Firmware | < 2.14.0 |
| Siemens | Ruggedcom Rox Rx1500 | - |
| Siemens | Ruggedcom Rox Rx1501 Firmware | < 2.14.0 |
| Siemens | Ruggedcom Rox Rx1501 | - |
| Siemens | Ruggedcom Rox Rx1510 Firmware | < 2.14.0 |
| Siemens | Ruggedcom Rox Rx1510 | - |
| Siemens | Ruggedcom Rox Rx1511 Firmware | < 2.14.0 |
| Siemens | Ruggedcom Rox Rx1511 | - |
| Siemens | Ruggedcom Rox Rx1512 Firmware | < 2.14.0 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.htmlIssue TrackingMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.htmlMailing ListThird Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0243Third Party Advisory
- https://access.redhat.com/errata/RHSA-2020:0466Third Party Advisory
- https://bugzilla.mozilla.org/show_bug.cgi?id=1586176Issue TrackingPatchVendor Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdfThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/09/msg00029.htmlMailing ListThird Party Advisory
- https://security.gentoo.org/glsa/202003-02Third Party Advisory
- https://security.gentoo.org/glsa/202003-10Third Party Advisory
- https://security.gentoo.org/glsa/202003-37Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04Third Party AdvisoryUS Government Resource
- https://usn.ubuntu.com/4241-1/Third Party Advisory
- https://usn.ubuntu.com/4335-1/Third Party Advisory
- https://www.mozilla.org/security/advisories/mfsa2019-36/Vendor Advisory
FAQ
What is CVE-2019-11745?
CVE-2019-11745 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 ...
How severe is CVE-2019-11745?
CVE-2019-11745 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-11745?
Check the references section above for vendor advisories and patch information. Affected products include: Mozilla Firefox, Mozilla Firefox Esr, Mozilla Thunderbird, Opensuse Leap, Canonical Ubuntu Linux.