SB2018051303 - Stack-based buffer overflow in openldap (Alpine package)
Published: May 13, 2018
Security Bulletin ID
SB2018051303
Severity
Low
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 security vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2017-17740)
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to a boundary error шт contrib/slapd-modules/nops/nops.c when both the nops module and the memberof overlay are enabled. A remote unauthenticated attacker can trigger stack-based buffer overflow and cause slapd crash via a member MODDN operation.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=d2d4b8f40c5ce345d2fa7e6812b200450f4d1973
- https://git.alpinelinux.org/aports/commit/?id=eb7c99fb435406b592f0b923ab91a380ed04eb64
- https://git.alpinelinux.org/aports/commit/?id=f433608cc24c7e7a214a41e87b5c323e562f779d
- https://git.alpinelinux.org/aports/commit/?id=245b526abb5493a981c7ad33f9a6b264fcd11265
- https://git.alpinelinux.org/aports/commit/?id=9eb2f7f4d4ac07bbabe6a18f96444a50fc2cc5b2
- https://git.alpinelinux.org/aports/commit/?id=fad85a325388ffbdb0f30f6396fdb8188f0725ac
- https://git.alpinelinux.org/aports/commit/?id=1577fdac86398b4de62cbf6973cef8ddddef0f71