SB2018050906 - Double free in gnutls (Alpine package)
Published: May 9, 2018
Security Bulletin ID
SB2018050906
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Double free (CVE-ID: CVE-2019-3829)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a double free error in the certificate verification API when processing X.509 crtificates. A remote attacker can supply a specially crafted X.509 certificate, trigger double free error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=8cf8b1ca80440667bb00d77c8fdb879231748e74
- https://git.alpinelinux.org/aports/commit/?id=8d1333f083ad221103d350e18192f5b9f02d5fae
- https://git.alpinelinux.org/aports/commit/?id=dbcc36c66155b96dcc492f442827bf7d7e70ff4c
- https://git.alpinelinux.org/aports/commit/?id=4a0c4741e713ac2f2bff164ee6290e2b05b38337
- https://git.alpinelinux.org/aports/commit/?id=bf7ea3ddcb2fbbdd123dc032ad0390f251a53021
- https://git.alpinelinux.org/aports/commit/?id=76044ac91c53d083aafd7f87c0ec5464f5889409
- https://git.alpinelinux.org/aports/commit/?id=01f27c1c355b7c50b3e68c6348f1d2d3ee27b2e2
- https://git.alpinelinux.org/aports/commit/?id=5fbec35783cdcd6466d659d24270129ee8dd5e4c
- https://git.alpinelinux.org/aports/commit/?id=697b8b651803084fa8049221716ea4cc2caedaf2
- https://git.alpinelinux.org/aports/commit/?id=ff3bd82d90d2e9b5d9ae6eb6bd55659ee8d560ff
- https://git.alpinelinux.org/aports/commit/?id=dcfba7f9908f92103eca3e4ff7adf1e4367544b7