CVE-2023-6728 — Nokia SR OS bof

Nokia SR OS bof.cfg file encryption is vulnerable to a brute force attack. This weakness allows an attacker in possession of the encrypted file to decrypt the bof.cfg file and obtain the BOF configuration content.

01What is this vulnerability?

Nokia SR OS bof.cfg file encryption is vulnerable to a brute force attack. This weakness allows an attacker in possession of the encrypted file to decrypt the bof.cfg file and obtain the BOF configuration content.

02Affected products

Vendor	Product	Versions
Nokia	SR OS (7250 IXR, 7450 ESS, 7750 SR, 7950 IXR, VSR), 7705 SAR OS, 7210 SAS OS	All supported releases prior to Release 24

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-10-17T12:16:02.750Z
• Last modified: 2024-11-05T19:32:18.366Z

09References

• www.nokia.com — https://www.nokia.com/about-us/security-and-privacy/product-security-advisory/cv…