SB2019083015 - Out-of-bounds read in php7 (Alpine package)
Published: August 30, 2019
Security Bulletin ID
SB2019083015
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-2019-11038)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the gdImageCreateFromXbm() function in the GD Graphics Library (aka LibGD). 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=b7a6616325748291eb409fbe35ebf1a7c7070558
- https://git.alpinelinux.org/aports/commit/?id=2a812850377ca7dcbe311355ac0ea61aeab8b64a
- https://git.alpinelinux.org/aports/commit/?id=3deb517cec296a32e5b25f1a75a48c2026a44af4
- https://git.alpinelinux.org/aports/commit/?id=bf12d0cce2f7c5041a183d56c53bfbc2bf890930
- https://git.alpinelinux.org/aports/commit/?id=aad758e364da9a69d0d519b619cc6eb2c7d150f8
- https://git.alpinelinux.org/aports/commit/?id=653805b88f263b8936ba3560db05ece894f979f2