CVE-2020-11656

CRITICAL severity · CVSS 9.8 · Use-after-free

9.8CVSS CRITICAL

Summary

In SQLite through 3.31.1, the ALTER TABLE implementation has a use-after-free, as demonstrated by an ORDER BY clause that belongs to a compound SELECT statement.

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

Confidentiality impactHigh

Integrity impactHigh

Availability impactHigh

Exploit probability (EPSS)6%

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products we track (1)

MySQL

Recommendation

Apply the vendor fix promptly. Open any affected product above for its exact safe version.

Official patch: https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf ↗

Additional information

NVD record
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:22.sqlite.ascAdvisory
https://security.gentoo.org/glsa/202007-26Advisory
https://security.netapp.com/advisory/ntap-20200416-0001/Advisory
https://www.oracle.com/security-alerts/cpuApr2021.htmlAdvisory
https://www.oracle.com/security-alerts/cpujan2021.htmlAdvisory
https://www.oracle.com/security-alerts/cpujul2020.htmlAdvisory
https://www.oracle.com/security-alerts/cpuoct2020.htmlAdvisory