PT-2017-11421 · Osci · Osci Transport Library

Marc Nimmerrichter + 1 · Published 2017-06-30 · Updated 2019-10-03 · CVE-2017-10668

Positive Technologies (AI Summary)

CVSS v3.1

5.9

Medium

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions OSCI Transport Library versions 1.6, 1.6.1

Description A Padding Oracle issue exists, allowing an attacker to decrypt transport encryption under a man-in-the-middle (MITM) condition within the OSCI infrastructure. The attacker must send crafted protocol messages to analyze the CBC mode padding.

Recommendations For OSCI Transport Library version 1.6, update to a version that fixes the Padding Oracle issue. For OSCI Transport Library version 1.6.1, update to a version that fixes the Padding Oracle issue. As a temporary workaround, consider restricting access to the OSCI infrastructure to minimize the risk of exploitation.

Fix

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-327

Related Identifiers

CVE-2017-10668

Affected Products

Osci Transport Library

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2017-10668 · Security Note
• https://osv.dev/vulnerability/CVE-2017-10668 · Vendor Advisory
• http://blog.sec-consult.com/2017/06/german-e-government-details-vulnerabilities.html · Note
• http://seclists.org/fulldisclosure/2017/Jun/44 · Note