Vulnerability Description
In PHP before 5.6.39, 7.x before 7.0.33, 7.1.x before 7.1.25, and 7.2.x before 7.2.13, a buffer over-read in PHAR reading functions may allow an attacker to read allocated or unallocated memory past the actual data when trying to parse a .phar file. This is related to phar_parse_pharfile in ext/phar/phar.c.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | < 5.6.39 |
| 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://php.net/ChangeLog-5.phpVendor Advisory
- http://php.net/ChangeLog-7.phpVendor Advisory
- https://access.redhat.com/errata/RHSA-2019:2519
- https://access.redhat.com/errata/RHSA-2019:3299
- https://bugs.php.net/bug.php?id=77143ExploitIssue TrackingVendor Advisory
- https://usn.ubuntu.com/3566-2/
- 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://php.net/ChangeLog-5.phpVendor Advisory
FAQ
What is CVE-2018-20783?
CVE-2018-20783 is a vulnerability with a CVSS score of 7.5 (HIGH). In PHP before 5.6.39, 7.x before 7.0.33, 7.1.x before 7.1.25, and 7.2.x before 7.2.13, a buffer over-read in PHAR reading functions may allow an attacker to read allocated or unallocated memory past t...
How severe is CVE-2018-20783?
CVE-2018-20783 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-20783?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php, Opensuse Leap.