VDB
CVE-2018-1000159
CVE-2018-1000159
PUBLISHED
tlslite-ng version 0.7.3 and earlier, since commit d7b288316bca7bcdd082e6ccff5491e241305233 contains a CWE-354: Improper Validation of Integrity Check Value vulnerability in TLS implementation, tlslite/utils/constanttime.py: ct_check_cbc_mac_and_pad(); line "end_pos = data_len - 1 - mac.digest_size" that can result in an attacker manipulating the TLS ciphertext which will not be detected by receiving tlslite-ng. This attack appears to be exploitable via man in the middle on a network connection. This vulnerability appears to have been fixed after commit 3674815d1b0f7484454995e2737a352e0a6a93d8.
EPSS 0.16% · 36.8th percentile
Risk Scores
EPSS Score
0.16%
36.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | tlslite-ng | 0, 0.5.1-1 |
Exploit Intelligence
Timeline
- Apr 18, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Feb 28, 2022 EPSS Score
- May 2, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 5, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
- Jan 8, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-1000159 third-party-advisory
- https://github.com/tomato42/tlslite-ng/pull/234 third-party-advisory
- https://github.com/tomato42/tlslite-ng/pull/234/commits/3674815d1b0f7484454995e2737a352e0a6a93d8 third-party-advisory
- https://github.com/tomato42/tlslite-ng/pull/235 third-party-advisory
- https://github.com/tomato42/tlslite-ng/pull/235/commits/e5e9145558f4c1a81071c61c947aa55a52542585 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-1000159 third-party-advisory