CVE-2016-4300
Published: 23 June 2016
Integer overflow in the read_SubStreamsInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.1 allows remote attackers to execute arbitrary code via a 7zip file with a large number of substreams, which triggers a heap-based buffer overflow.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
libarchive Launchpad, Ubuntu, Debian |
precise |
Released
(3.0.3-6ubuntu1.3)
|
| trusty |
Released
(3.1.2-7ubuntu2.3)
|
|
| upstream |
Needed
|
|
| wily |
Released
(3.1.2-11ubuntu0.15.10.2)
|
|
| xenial |
Released
(3.1.2-11ubuntu0.16.04.2)
|
|
|
Patches: upstream: https://github.com/libarchive/libarchive/commit/3d469df8eaace8297a27ce62befa295c0fdc5a3a upstream: https://github.com/libarchive/libarchive/commit/e79ef306afe332faf22e9b442a2c6b59cb175573 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |