CVE-2017-17307 — Some Huawei Smartphones with software of VNS-L21AUTC555B141 have an out-of-bound

Some Huawei Smartphones with software of VNS-L21AUTC555B141 have an out-of-bounds read vulnerability. Due to the lack string terminator of string, an attacker tricks a user into installing a malicious application, and the application can exploit the vulnerability and make attacke

01What is this vulnerability?

Some Huawei Smartphones with software of VNS-L21AUTC555B141 have an out-of-bounds read vulnerability. Due to the lack string terminator of string, an attacker tricks a user into installing a malicious application, and the application can exploit the vulnerability and make attacker to read out of bounds and possibly cause the device abnormal.

02Affected products

Vendor	Product	Versions
Huawei Technologies Co., Ltd.	VNS	L21 — VNS-L21AUTC555B141

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: 2018-03-20T15:00:00.000Z
• Last modified: 2024-08-05T20:51:30.591Z

09References

• www.huawei.com — http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180314-01-read-en