SB2018031415 - Null pointer dereference in curl (Alpine package)
Published: March 14, 2018
Security Bulletin ID
SB2018031415
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) Null pointer dereference (CVE-ID: CVE-2018-1000121)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists due to NULL pointer dereference in ldap_get_attribute_ber(). A remote attacker can return a specially crafted redirect to an LDAP URL, trigger NULL pointer dereference and cause the service to crash.//
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=06d873c35d45649783f1d3393b35034356679424
- https://git.alpinelinux.org/aports/commit/?id=7d31ed74e2b6d74352c9a6f3ab2110c402a28f3a
- https://git.alpinelinux.org/aports/commit/?id=edd0ff244c02b47646e66a1bc5737c6dadee86a5
- https://git.alpinelinux.org/aports/commit/?id=f58c96201b3afe219bd0ba4e66ace7f03452ed29