Vulnerability Description
An issue was discovered in PHP 7.x before 7.1.27 and 7.3.x before 7.3.3. phar_tar_writeheaders_int in ext/phar/tar.c has a buffer overflow via a long link value. NOTE: The vendor indicates that the link value is used only when an archive contains a symlink, which currently cannot happen: "This issue allows theoretical compromise of security, but a practical attack is usually impossible.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Php | Php | >= 7.0.0, < 7.1.27 |
| Canonical | Ubuntu Linux | 12.04 |
| Opensuse | Leap | 42.3 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00104.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00012.html
- 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-7.phpProductVendor Advisory
- https://bugs.php.net/bug.php?id=77586Issue TrackingPatchVendor Advisory
- https://usn.ubuntu.com/3922-2/Third Party Advisory
- https://usn.ubuntu.com/3922-3/Third 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/msg00012.html
- 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-7.phpProductVendor Advisory
- https://bugs.php.net/bug.php?id=77586Issue TrackingPatchVendor Advisory
- https://usn.ubuntu.com/3922-2/Third Party Advisory
FAQ
What is CVE-2019-9675?
CVE-2019-9675 is a vulnerability with a CVSS score of 8.1 (HIGH). An issue was discovered in PHP 7.x before 7.1.27 and 7.3.x before 7.3.3. phar_tar_writeheaders_int in ext/phar/tar.c has a buffer overflow via a long link value. NOTE: The vendor indicates that the li...
How severe is CVE-2019-9675?
CVE-2019-9675 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-9675?
Check the references section above for vendor advisories and patch information. Affected products include: Php Php, Canonical Ubuntu Linux, Opensuse Leap.