CVE-2020-7062

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Summary

CVECVE-2020-7062
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-02-27 21:15:00 UTC
Updated2022-01-01 19:30:00 UTC
DescriptionIn PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.upload_progress.cleanup is set to 0 (disabled), and the file upload fails, the upload procedure would try to clean up data that does not exist and encounter null pointer dereference, which would likely lead to a crash.

Risk And Classification

Problem Types: CWE-476

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 16.04 All All All
Operating System Canonical Ubuntu Linux 18.04 All All All
Operating System Canonical Ubuntu Linux 19.10 All All All
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 8.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Opensuse Leap 15.1 All All All
Application Php Php All All All All
Application Php Php All All All All
Application Php Php All All All All

References

ReferenceSourceLinkTags
[SECURITY] [DLA 2160-1] php5 security update MLIST lists.debian.org
Debian -- Security Information -- DSA-4719-1 php7.3 DEBIAN www.debian.org
[security-announce] openSUSE-SU-2020:0341-1: important: Security update SUSE lists.opensuse.org
PHP :: Sec Bug #79221 :: Null Pointer Dereference in PHP Session Upload Progress MISC bugs.php.net Exploit, Vendor Advisory
PHP: Multiple vulnerabilities (GLSA 202003-57) — Gentoo security GENTOO security.gentoo.org
[R1] Tenable.sc 5.19.0 Fixes Multiple Third-party Vulnerabilities - Security Advisory | Tenable® CONFIRM www.tenable.com
USN-4330-1: PHP vulnerabilities | Ubuntu security notices | Ubuntu UBUNTU usn.ubuntu.com
Debian -- Security Information -- DSA-4717-1 php7.0 DEBIAN www.debian.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

LEGACY: Reported by [email protected]

Legacy QID Mappings

  • 501136 Alpine Linux Security Update for php7
  • 752878 SUSE Enterprise Linux Security Update for php7 (SUSE-SU-2022:4067-1)
  • 940250 AlmaLinux Security Update for php:7.3 (ALSA-2020:3662)
  • 960421 Rocky Linux Security Update for php:7.3 (RLSA-2020:3662)
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