Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
Required
Privileges Required
None
Attack Vector
Network
0

CVE-2019-11745

Disclosure Date: August 14, 2019
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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.

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CVSS V3 Severity and Metrics
Base Score:
8.8 High
Impact Score:
5.9
Exploitability Score:
2.8
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Vendors

  • canonical,
  • debian,
  • mozilla,
  • opensuse,
  • redhat,
  • siemens

Products

  • debian linux 9.0,
  • enterprise linux server aus 6.6,
  • firefox,
  • firefox esr,
  • leap 15.1,
  • ruggedcom rox mx5000 firmware,
  • ruggedcom rox rx1400 firmware,
  • ruggedcom rox rx1500 firmware,
  • ruggedcom rox rx1501 firmware,
  • ruggedcom rox rx1510 firmware,
  • ruggedcom rox rx1511 firmware,
  • ruggedcom rox rx1512 firmware,
  • ruggedcom rox rx5000 firmware,
  • thunderbird,
  • ubuntu linux 16.04,
  • ubuntu linux 18.04,
  • ubuntu linux 19.10

Additional Info

Technical Analysis