CVE-2018-16869

Description

A Bleichenbacher type side-channel based padding oracle attack was found in the way nettle handles endian conversion of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run a process on the same physical core as the victim process, could use this flaw extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.

Risk Information

Base Score

5.7

MODERATE

Vector

CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:L/A:N

EPSS Score

Exploitation Probability

0.106

Associated Vulnerability

Vulnerability	OS Platform
low level cryptographic library (USN-4990-1) libnettle6_3.4.1-0ubuntu0.18.04.1_i386.deb	Linux
low level cryptographic library (USN-4990-1) libnettle6_3.4.1-0ubuntu0.18.04.1_amd64.deb	Linux
low level cryptographic library (USN-4990-1) libnettle7_3.5.1+really3.5.1-2ubuntu0.2_i386.deb	Linux
low level cryptographic library (USN-4990-1) libnettle7_3.5.1+really3.5.1-2ubuntu0.2_amd64.deb	Linux
low level cryptographic library (USN-4990-1) libnettle8_3.6-2ubuntu0.2_i386.deb	Linux
low level cryptographic library (USN-4990-1) libnettle8_3.6-2ubuntu0.2_amd64.deb	Linux
low level cryptographic library (USN-4990-1) libnettle8_3.7-2.1ubuntu1.1_i386.deb	Linux
low level cryptographic library (USN-4990-1) libnettle8_3.7-2.1ubuntu1.1_amd64.deb	Linux
Observable Discrepancy Vulnerability (CVE-2018-16869)	NCM

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234