PT-2019-5785 · Cdata · Cdata

Alexandre Torres + 2 · Published 2019-12-27 · Updated 2021-07-21 · CVE-2020-29056

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions CDATA versions 72408A, 9008A, 9016A, 92408A, 92416A, 9288, 97016, 97024P, 97028P, 97042P, 97084P, 97168P, FD1002S, FD1104, FD1104B, FD1104S, FD1104SN, FD1108S, FD1204S-R2, FD1204SN, FD1204SN-R2, FD1208S-R2, FD1216S-R1, FD1608GS, FD1608SN, FD1616GS, FD1616SN, FD8000

Description The issue is related to insufficient protection of registration data, which can be exploited by a remote attacker to impact the confidentiality, integrity, and availability of protected information. It is possible to escape from a shell and acquire root privileges by leveraging the TFTP download configuration.

Recommendations For CDATA versions 72408A, 9008A, 9016A, 92408A, 92416A, 9288, 97016, 97024P, 97028P, 97042P, 97084P, 97168P, FD1002S, FD1104, FD1104B, FD1104S, FD1104SN, FD1108S, FD1204S-R2, FD1204SN, FD1204SN-R2, FD1208S-R2, FD1216S-R1, FD1608GS, FD1608SN, FD1616GS, FD1616SN, FD8000, restrict access to the TFTP download configuration to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Command Injection

OS Command Injection

Weakness Enumeration

CWE-77

CWE-78

Related Identifiers

BDU:2021-02148

CVE-2020-29056

Affected Products

Cdata

References · 6

• 🔥 https://pierrekim.github.io/blog/2020-07-07-cdata-olt-0day-vulnerabilities.html · Exploit
• https://osv.dev/vulnerability/CVE-2020-29056 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-29056 · Security Note
• https://bdu.fstec.ru/vul/2021-02148 · Security Note
• https://t.me/cibsecurity/16834 · Telegram Post
• https://securitylab.ru/news/509964.php · Note