CVE-2018-7994 — Some Huawei products IPS Module V500R001C50; NGFW Module V500R001C50; V500R002C1

Some Huawei products IPS Module V500R001C50; NGFW Module V500R001C50; V500R002C10; NIP6300 V500R001C50; NIP6600 V500R001C50; NIP6800 V500R001C50; Secospace USG6600 V500R001C50; USG9500 V500R001C50 have a memory leak vulnerability. The software does not release allocated memory pr

01What is this vulnerability?

Some Huawei products IPS Module V500R001C50; NGFW Module V500R001C50; V500R002C10; NIP6300 V500R001C50; NIP6600 V500R001C50; NIP6800 V500R001C50; Secospace USG6600 V500R001C50; USG9500 V500R001C50 have a memory leak vulnerability. The software does not release allocated memory properly when processing Protal questionnaire. A remote attacker could send a lot questionnaires to the device…

02Affected products

Vendor	Product	Versions
Huawei Technologies Co., Ltd.	NGFW Module; NIP6300; NIP6600; NIP6800; Secospace USG6600; USG9500	IPS Module V500R001C50, NGFW Module V500R001C50, V500R002C10, NIP6300 V500R001C50, NIP6600 V500R001C50, NIP6800 V500R001C50, Secospace USG6600 V500R001C50, USG9500 V500R001C50

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: 2018-07-31T14:00:00.000Z
• Last modified: 2024-08-05T06:37:59.640Z

09References

• www.huawei.com — http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180704-01-firewal…