SB2019053015 - Out-of-bounds read in php7 (Alpine package)
Published: May 30, 2019
Security Bulletin ID
SB2019053015
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2019-11040)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in exif_read_data() function when parsing EXIF data. A remote attacker can create a specially crafted image, pass it to the affected application, trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=653805b88f263b8936ba3560db05ece894f979f2
- https://git.alpinelinux.org/aports/commit/?id=591b1611bea0124839b7a6627050f76ecfffc4a5
- https://git.alpinelinux.org/aports/commit/?id=11cfe4dd1666223714141c2462305137c3eface9
- https://git.alpinelinux.org/aports/commit/?id=14b8eeb01099ac825f24e7a21e634665d21c9de6
- https://git.alpinelinux.org/aports/commit/?id=ea6d9823b57cb8f053d709f860da18ab5fa1c85e
- https://git.alpinelinux.org/aports/commit/?id=925b90510d187dfad9d8ecc674f2477a4ebe7213