Vulnerability Details : CVE-2019-11745
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.
Vulnerability category: Memory Corruption
Products affected by CVE-2019-11745
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:6.6:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:ruggedcom_rox_mx5000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:ruggedcom_rox_rx1400_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:ruggedcom_rox_rx1500_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:ruggedcom_rox_rx1501_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:ruggedcom_rox_rx1510_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:ruggedcom_rox_rx1511_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:ruggedcom_rox_rx1512_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:ruggedcom_rox_rx5000_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-11745
0.63%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-11745
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST |
CWE ids for CVE-2019-11745
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-11745
-
https://lists.debian.org/debian-lts-announce/2020/09/msg00029.html
[SECURITY] [DLA 2388-1] nss security updateMailing List;Third Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2019-37/
Security Vulnerabilities fixed in - Firefox ESR 68.3 — MozillaVendor Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html
[security-announce] openSUSE-SU-2020:0002-1: important: Security updateIssue Tracking;Mailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.html
[security-announce] openSUSE-SU-2020:0008-1: moderate: Security update fMailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202003-02
Mozilla Firefox: Multiple vulnerabilities (GLSA 202003-02) — Gentoo securityThird Party Advisory
-
https://us-cert.cisa.gov/ics/advisories/icsa-21-040-04
Siemens RUGGEDCOM ROX II | CISAThird Party Advisory;US Government Resource
-
https://cert-portal.siemens.com/productcert/pdf/ssa-379803.pdf
Third Party Advisory
-
https://usn.ubuntu.com/4335-1/
USN-4335-1: Thunderbird vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2020:0243
RHSA-2020:0243 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1586176
Access DeniedIssue Tracking;Patch;Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2019-38/
Security Vulnerabilities fixed in - Thunderbird 68.3 — MozillaVendor Advisory
-
https://usn.ubuntu.com/4241-1/
USN-4241-1: Thunderbird vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://security.gentoo.org/glsa/202003-37
Mozilla Network Security Service: Multiple vulnerabilities (GLSA 202003-37) — Gentoo securityThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html
[security-announce] openSUSE-SU-2020:0003-1: important: Security updateMailing List;Third Party Advisory
-
https://access.redhat.com/errata/RHSA-2020:0466
RHSA-2020:0466 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://security.gentoo.org/glsa/202003-10
Mozilla Thunderbird: Multiple vulnerabilities (GLSA 202003-10) — Gentoo securityThird Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2019-36/
Security Vulnerabilities fixed in - Firefox 71 — MozillaVendor Advisory
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