CVE intelligence and bounded remediation

CVE-2020-9253 — There is a stack overflow vulnerability in some Huawei smart phone

Medium CVSS 6.5

There is a stack overflow vulnerability in some Huawei smart phone. An attacker can craft specific packet to exploit this vulnerability. Due to insufficient verification, this could be exploited to tamper with the information to affect the availability. (Vulnerability ID: HWPSIRT-2019-11030) This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-9253.

Severity
Medium
CVSS
6.5 (3.1)
Published
2024-12-27
CISA KEV
Not currently listed
Ecosystem
operating-system
Weaknesses
CWE-121, CWE-787

Affected products

  • huawei / lion-al00c_firmware

Matched remediation archetype

Buffer bounds, memory safety, and memory corruption

This catalog composition supplies bounded fallback guidance. Explicitly reviewed curated workflows load with the complete record below.

Check exposure

  • Identify affected native-code versions, build flags, architectures, parsers, codecs, drivers, and input paths in all shipped artifacts.
  • Determine whether untrusted data reaches the affected routine and the process privilege, sandbox, and network exposure.
  • Confirm statically linked, vendored, firmware, and platform-provided copies, not only package-manager records.

Remediate safely

  • Apply the maintained upstream correction or replace the affected component, then rebuild every dependent artifact from clean inputs.
  • Adopt bounds-checked interfaces, validated sizes and integer conversions, clear ownership, and memory-safe components where practical.
  • Enable supported compiler and runtime hardening and add sanitized tests and fuzz regression seeds derived from non-weaponized fixtures.

Authoritative sources

Complete CVE record and remediation plan

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