PT-2021-17259 · Fiberhome · Fiberhome Hg6245D

Pierre Kim · Published 2021-02-10 · Updated 2021-02-12 · CVE-2021-27140

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: FiberHome HG6245D versions through RP2613

Description: An issue was discovered where passwords and authentication cookies are stored in cleartext in the web.log HTTP logs. This allows for the potential retrieval of sensitive information.

Recommendations: For FiberHome HG6245D versions through RP2613, consider restricting access to the web.log file to minimize the risk of exploitation. As a temporary workaround, disable the storage of sensitive information in the HTTP logs until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Cleartext Storage of Sensitive Information

Weakness Enumeration

CWE-312

Related Identifiers

CVE-2021-27140

Affected Products

Fiberhome Hg6245D

References · 4

• 🔥 https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#httpd-passwords-logs · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-27140 · Security Note
• https://osv.dev/vulnerability/CVE-2021-27140 · Vendor Advisory
• https://t.me/cvenotify/9741 · Telegram Post