SB2018032719 - Out-of-bounds write in apache2 (Alpine package)
Published: March 27, 2018
Security Bulletin ID
SB2018032719
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2017-15710)
CWE-ID: CWE-787 - Out-of-bounds write
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists in HTTPD mod_authnz_ldap due to improper validation of user-supplied input. A remote attacker can send a specially crafted Accept-Language header value, trigger an out-of-bounds memory write error and potentially cause the target service to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=426610a910eb000e769072b0f5e8c9daf07037a3
- https://git.alpinelinux.org/aports/commit/?id=745c279a27c099e33067e550773bdc49d7d3da2e
- https://git.alpinelinux.org/aports/commit/?id=a30dbd55635b5e5c03db10c63ac61a2a9b3c3b05
- https://git.alpinelinux.org/aports/commit/?id=c976cfb3d3e83caaa82a05bc37b1c1a6e6b3ea1c
- https://git.alpinelinux.org/aports/commit/?id=fc2557dadf48a27feaa29261edcaa62ea4fc367e