High severity · published Jan 8, 2020
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
8.8
CVSS
3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.0% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 71.0 · source: NVD
DL
Debian Linux · Debian
9.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
6.6 · source: NVD
FE
Firefox Esr · Mozilla
before 68.3 · source: NVD
LE
Leap · Opensuse
15.1 · source: NVD
RR
Ruggedcom Rox Mx5000 Firmware · Siemens
before 2.14.0 · source: NVD
RR
Ruggedcom Rox Rx1400 Firmware · Siemens
before 2.14.0 · source: NVD
RR
Ruggedcom Rox Rx1500 Firmware · Siemens
before 2.14.0 · source: NVD
RR
Ruggedcom Rox Rx1501 Firmware · Siemens
before 2.14.0 · source: NVD
RR
Ruggedcom Rox Rx1510 Firmware · Siemens
before 2.14.0 · source: NVD
RR
Ruggedcom Rox Rx1511 Firmware · Siemens
before 2.14.0 · source: NVD
RR
Ruggedcom Rox Rx1512 Firmware · Siemens
before 2.14.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-11745
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-11745
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html
Issue Tracking
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00006.html
Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0243
Third Party Advisory
https://access.redhat.com/errata/RHSA-2020:0466
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1586176
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