CVE-2023-5217
Exploited in the wild. In CISA KEV since 2023‑10‑02. Fixed versions are out.
No public exploit knownFix5 products4 fixed builds listed below
e.g. OID 1.3.6.1.4.1.25623.1.0.125301
What to do
Find your product and version, then upgrade to the build on the right.
- Google ChromeAffected: ≥ 117.0.5938.132, < 117.0.5938.132Upgrade to: 117.0.5938.132Stated by: CVE record
- Google libvpxAffected: ≥ 1.13.1, < 1.13.1Upgrade to: 1.13.1Stated by: CVE record
- Npm ElectronAffected: < 22.3.25Upgrade to: 22.3.25Stated by: GitHub advisory
- Webmproject LibvpxAffected: < 1.13.1Upgrade to: 1.13.1Stated by: NVD
- Mozilla FirefoxAffected: < 115.3.1Upgrade to: 115.3.1Stated by: NVD
Versions as the sources state them. 14 more products have version data. Full version matrix after sign-in
Coverage timeline
0 publishersAdded to CISA KEV catalog
Sourced from public security reporting — each date is when it was published, not when it happened.
What it is
From the CVE record
Heap buffer overflow in vp8 encoding in libvpx in Google Chrome prior to 117.0.5938.132 and libvpx 1.13.1 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Listed as exploited in the wild since 2023-10-02.
US federal agencies must remediate by 2023-10-23.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
49% chance of exploitation activity in the next 30 days, which ranks it in the 99th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
8 events over 1001 days, from the signal feeds we watch.
- OpenVAS check added
- EPSS band changelow → moderate
- Patch availablerecord updated
- Added to CISA KEV
- Publishedweakness classified, att&ck mapped
Affected products
And 16 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Scored 8.8 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationhigh confidence
- Privilege EscalationT1068Exploitation for Privilege Escalationhigh confidence
Sources
References in the record
- seclists.org/fulldisclosure/2023/Oct/12
- seclists.org/fulldisclosure/2023/Oct/16
- openwall.com/lists/oss-security/2023/09/28/5
And 120 more references. See all after sign-in
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