Vulnerability Description
An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A heap-based buffer over-read in PHAR reading functions in the PHAR extension may allow an attacker to read allocated or unallocated memory past the actual data when trying to parse the file name, a different vulnerability than CVE-2018-20783. This is related to phar_detect_phar_fname_ext in ext/phar/phar.c.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | < 5.6.40 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 12.04 |
| Netapp | Storage Automation Store | - |
| Opensuse | Leap | 42.3 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html
- http://www.securityfocus.com/bid/106747Third Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/107156Third Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:2519
- https://access.redhat.com/errata/RHSA-2019:3299
- https://bugs.php.net/bug.php?id=77247ExploitIssue TrackingPatch
- https://security.netapp.com/advisory/ntap-20190321-0001/Third Party Advisory
- https://usn.ubuntu.com/3902-1/Third Party Advisory
- https://usn.ubuntu.com/3902-2/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4398Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00083.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2019-9021?
CVE-2019-9021 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1. A heap-based buffer over-read in PHAR reading functions in the PHAR extension may allow an...
How severe is CVE-2019-9021?
CVE-2019-9021 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2019-9021?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php, Debian Debian Linux, Canonical Ubuntu Linux, Netapp Storage Automation Store, Opensuse Leap.