CVE-2019-5294 — There is an out of bound read vulnerability in some Huawei products

There is an out of bound read vulnerability in some Huawei products. A remote, unauthenticated attacker may send a corrupt or crafted message to the affected products. Due to a buffer read overflow error when parsing the message, successful exploit may cause some service to be ab

01What is this vulnerability?

There is an out of bound read vulnerability in some Huawei products. A remote, unauthenticated attacker may send a corrupt or crafted message to the affected products. Due to a buffer read overflow error when parsing the message, successful exploit may cause some service to be abnormal.

02Affected products

Vendor	Product	Versions
n	a / AR120	S,AR1200,AR1200-S,AR150,AR150-S,AR160,AR200,AR200-S,AR2200,AR2200-S,AR3200,AR3600,NetEngine16EX,SRG1300,SRG2300,SRG3300 — AR120-S V200R005C20, V200R006C10, V200R007C00, AR1200 V200R005C20, V200R006C10, V200R007C00, AR1200-S V200R005C20, V200R006C10, V200R007C00, AR150 V200R005C20, V200R006C10, V200R007C00, AR150-S V200R005C20, V200R006C10, V200R007C00, AR160 V200R005C20, V200R006C10, V200R007C00, AR200 V200R005C20, V200R006C10, V200R007C00, AR200-S V200R005C20, V200R006C10, V200R007C00, AR2200 V200R005C20, V200R006C10, V200R007C00, AR2200-S V200R005C20, V200R006C10, V200R007C00, AR3200 V200R005C20, V200R006C10, AR3600 V200R006C10, V200R007C00, NetEngine16EX V200R005C20, V200R006C10, V200R007C00, SRG1300 V200R005C20, V200R006C10, V200R007C00, SRG2300 V200R005C20, V200R006C10, V200R007C00, SRG3300 V200R005C20, V200R006C10, V200R007C00

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: 2019-11-13T16:12:44.000Z
• Last modified: 2024-08-04T19:54:52.406Z

09References

• www.huawei.com — http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191023-01-buffer-…