Known exploited vulnerability
CVE-2023-5217
The short answer
CVE-2023-5217 affects Google Chrome and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2023-10-02: attackers are using it, so patch it first. Fixed versions are published for electron (22.3.25, 24.8.5, 25.8.4).
What it is
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)
Weakness: CWE-787.
Severity
8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Oct 2, 2023
Federal due date Oct 23, 2023
EPSS, next 30 days
49%
Higher than 99% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected packages and fixed versions
| Package | Ecosystem | Fixed in | Advisory |
|---|---|---|---|
| electron | npm | 22.3.25, 24.8.5, 25.8.4, 26.2.4, 27.0.0-beta.8 | GHSA-qqvq-6xgj-jw8g |
Is it in your code? Drop your lockfile into the free vulnerability check, or let vulnerability watch check your repository every day and open the upgrade as a pull request.
Affected products
Chrome, libvpx. NVD's record lists the exact affected versions.
References
- arstechnica.com/security/2023/09/new-0-day-in-chrome-and-firefox-is-likely-to-plague-other-software/ Third Party Advisory
- bugzilla.redhat.com/show_bug.cgi?id=2241191 Issue TrackingThird Party Advisory
- chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html Vendor Advisory
- crbug.com/1486441 ExploitIssue Tracking
- github.com/webmproject/libvpx/commit/3fbd1dca6a4d2dad332a2110d646e4ffef36d590 Patch
- github.com/webmproject/libvpx/commit/af6dedd715f4307669366944cca6e0417b290282 Patch
- github.com/webmproject/libvpx/releases/tag/v1.13.1 Release Notes
- github.com/webmproject/libvpx/tags Product
- lists.debian.org/debian-lts-announce/2023/09/msg00038.html Mailing List
- lists.debian.org/debian-lts-announce/2023/10/msg00001.html Mailing List
- lists.debian.org/debian-lts-announce/2023/10/msg00015.html Mailing List
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4MFWDFJSSIFKWKNOCTQCFUNZWAXUCSS4/ Mailing List
Questions
Is CVE-2023-5217 being exploited?
Yes. CISA added CVE-2023-5217 to its Known Exploited Vulnerabilities catalog on 2023-10-02, with a federal remediation due date of 2023-10-23.
How do I fix CVE-2023-5217?
Upgrade to a fixed version: electron (npm) 22.3.25 or 24.8.5 or 25.8.4 or 26.2.4 or 27.0.0-beta.8. CISA's required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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