CVE-2016-3706
Publication date 10 June 2016
Last updated 24 July 2024
Ubuntu priority
Cvss 3 Severity Score
Stack-based buffer overflow in the getaddrinfo function in sysdeps/posix/getaddrinfo.c in the GNU C Library (aka glibc or libc6) allows remote attackers to cause a denial of service (crash) via vectors involving hostent conversion. NOTE: this vulnerability exists because of an incomplete fix for CVE-2013-4458.
From the Ubuntu Security Team
Michael Petlan discovered an unbounded stack allocation in the getaddrinfo() function of the GNU C Library. An attacker could use this to cause a denial of service.
Status
Package | Ubuntu Release | Status |
---|---|---|
eglibc | ||
20.04 LTS focal | Not in release | |
18.04 LTS bionic | Not in release | |
16.04 LTS xenial | Not in release | |
14.04 LTS trusty |
Fixed 2.19-0ubuntu6.10
|
|
glibc | ||
20.04 LTS focal |
Not affected
|
|
18.04 LTS bionic |
Not affected
|
|
16.04 LTS xenial |
Fixed 2.23-0ubuntu6
|
|
14.04 LTS trusty | Not in release | |
Notes
sbeattie
other versions of fixes in glibc bug report reverted in Ubuntu 12.04 LTS due to breaking IPv6 name resolution
Patch details
Package | Patch details |
---|---|
glibc |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.5 · High |
Attack vector | Network |
Attack complexity | Low |
Privileges required | None |
User interaction | None |
Scope | Unchanged |
Confidentiality | None |
Integrity impact | None |
Availability impact | High |
Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-3239-1
- GNU C Library vulnerabilities
- 21 March 2017