CVE-2018-6485
Published: 1 February 2018
An integer overflow in the implementation of the posix_memalign in memalign functions in the GNU C Library (aka glibc or libc6) 2.26 and earlier could cause these functions to return a pointer to a heap area that is too small, potentially leading to heap corruption.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
eglibc Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
| bionic |
Does not exist
|
|
| cosmic |
Does not exist
|
|
| disco |
Does not exist
|
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| trusty |
Released
(2.19-0ubuntu6.15+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
glibc Launchpad, Ubuntu, Debian |
artful |
Ignored
(end of life)
|
| bionic |
Not vulnerable
(2.27-3ubuntu1)
|
|
| cosmic |
Not vulnerable
(2.27-3ubuntu1)
|
|
| disco |
Not vulnerable
(2.27-3ubuntu1)
|
|
| eoan |
Not vulnerable
(2.27-3ubuntu1)
|
|
| focal |
Not vulnerable
(2.27-3ubuntu1)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(2.27)
|
|
| xenial |
Released
(2.23-0ubuntu11.2)
|
|
|
Patches: upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8e448310d74b283c5cd02b9ed7fb997b47bf9b22 upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=01ba6f50762ad4fcd156a53ef7dbe671b64d3a5c upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9331dbdcd7aa8e997eb4caa9b1b0cb6c804320c8 upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d2450a97c3df5527ea0fd49743bc354c979c185f |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 9.8 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |