SB2018072412 - Out-of-bounds read in php7 (Alpine package)
Published: July 24, 2018
Security Bulletin ID
SB2018072412
CSH 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 vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2019-11035)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the exif_iif_add_value() function in PHP EXIF extension when processing certain files. An attacker can pass a specially crafted file to the application, trigger out-of-bounds read error and read contents of memory on the system or perform a denial of service attack.Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=1ebb8b4ced83d80d32fbce55699c5d9d388f9e5d
- https://git.alpinelinux.org/aports/commit/?id=9be2eb40f99ced1e46b89f77390a73f70d0ac5d2
- https://git.alpinelinux.org/aports/commit/?id=88eca856b3813d00e3184daba896baacadfe5837
- https://git.alpinelinux.org/aports/commit/?id=d42b915a2245405763bb485ededfbdb01393f109