CVE-2020-10029
Published: 4 March 2020
The GNU C Library (aka glibc or libc6) before 2.32 could overflow an on-stack buffer during range reduction if an input to an 80-bit long double function contains a non-canonical bit pattern, a seen when passing a 0x5d414141414141410000 value to sinl on x86 targets. This is related to sysdeps/ieee754/ldbl-96/e_rem_pio2l.c.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
eglibc Launchpad, Ubuntu, Debian |
bionic |
Does not exist
|
| eoan |
Does not exist
|
|
| focal |
Does not exist
|
|
| groovy |
Does not exist
|
|
| hirsute |
Does not exist
|
|
| impish |
Does not exist
|
|
| jammy |
Does not exist
|
|
| kinetic |
Does not exist
|
|
| lunar |
Does not exist
|
|
| mantic |
Does not exist
|
|
| trusty |
Needed
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
glibc Launchpad, Ubuntu, Debian |
bionic |
Released
(2.27-3ubuntu1.2)
|
| eoan |
Not vulnerable
(2.30-0ubuntu2.1)
|
|
| focal |
Not vulnerable
(2.31-0ubuntu9)
|
|
| groovy |
Not vulnerable
(2.31-0ubuntu9)
|
|
| hirsute |
Not vulnerable
(2.31-0ubuntu9)
|
|
| impish |
Not vulnerable
(2.31-0ubuntu9)
|
|
| jammy |
Not vulnerable
(2.31-0ubuntu9)
|
|
| kinetic |
Not vulnerable
(2.31-0ubuntu9)
|
|
| lunar |
Not vulnerable
(2.31-0ubuntu9)
|
|
| mantic |
Not vulnerable
(2.31-0ubuntu9)
|
|
| trusty |
Does not exist
|
|
| upstream |
Released
(2.30)
|
|
| xenial |
Released
(2.23-0ubuntu11.2)
|
|
|
Patches: upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9333498794cde1d5cca518badf79533a24114b6f upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=c10acd40262486dac597001aecc20ad9d3bd0e4a upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0474cd5de60448f31d7b872805257092faa626e4 upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=8e5d591b101d7d8a4628522f1e5ec24b6dfa731b |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |