Description
An issue was discovered in PHP 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.2. dns_get_record misparses a DNS response, which can allow a hostile DNS server to cause PHP to misuse memcpy, leading to read operations going past the buffer allocated for DNS data. This affects php_parserr in ext/standard/dns.c for DNS_CAA and DNS_ANY queries.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://www.debian.org/security/2019/dsa-4398 ↗
- https://usn.ubuntu.com/3902-1/ ↗
- https://bugs.php.net/bug.php?id=77369 ↗
- https://security.netapp.com/advisory/ntap-20190321-0001/ ↗
- https://lists.debian.org/debian-lts-announce/2019/03/msg00043.html ↗
- https://usn.ubuntu.com/3922-2/ ↗
- https://usn.ubuntu.com/3922-3/ ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00041.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00044.html ↗
- https://access.redhat.com/errata/RHSA-2019:2519 ↗
- https://access.redhat.com/errata/RHSA-2019:3299 ↗
- https://www.tenable.com/security/tns-2019-07 ↗