Known exploited vulnerability
CVE-2018-17480
The short answer
CVE-2018-17480 affects Google Chrome and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-06-08: attackers are using it, so patch it first.
What it is
Execution of user supplied Javascript during array deserialization leading to an out of bounds write in V8 in Google Chrome prior to 71.0.3578.80 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page.
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 Jun 8, 2022
Federal due date Jun 22, 2022
EPSS, next 30 days
36%
Higher than 98% 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 updates per vendor instructions.
Affected products
Chrome. NVD's record lists the exact affected versions.
References
- access.redhat.com/errata/RHSA-2018:3803 Third Party Advisory
- chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html Vendor Advisory
- crbug.com/905940 ExploitIssue Tracking
- security.gentoo.org/glsa/201908-18 Third Party Advisory
- www.debian.org/security/2018/dsa-4352 Mailing ListThird Party Advisory
- access.redhat.com/errata/RHSA-2018:3803 Third Party Advisory
- chromereleases.googleblog.com/2018/12/stable-channel-update-for-desktop.html Vendor Advisory
- crbug.com/905940 ExploitIssue Tracking
- security.gentoo.org/glsa/201908-18 Third Party Advisory
- www.debian.org/security/2018/dsa-4352 Mailing ListThird Party Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-17480 US Government Resource
Questions
Is CVE-2018-17480 being exploited?
Yes. CISA added CVE-2018-17480 to its Known Exploited Vulnerabilities catalog on 2022-06-08, with a federal remediation due date of 2022-06-22.
How do I fix CVE-2018-17480?
CISA's required action: Apply updates per vendor instructions.
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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