CVE-2016-4300
high
CVSS v3
7.8
CVSS v4 NEW
—
VIR risk
7.8
Description
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.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 3.2.1-1 |
| debian | bullseye | fixed | 3.2.1-1 |
| debian | forky | fixed | 3.2.1-1 |
| debian | sid | fixed | 3.2.1-1 |
| debian | trixie | fixed | 3.2.1-1 |
| rhel | 7.0 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| libarchive | libarchive | {"endIncluding":"3.2.0"} | |
References
- https://www.suse.com/security/cve/CVE-2016-4300.html
- http://blog.talosintel.com/2016/06/the-poisoned-archives.html
- http://rhn.redhat.com/errata/RHSA-2016-1844.html
- http://www.debian.org/security/2016/dsa-3657
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/91326
- http://www.talosintel.com/reports/TALOS-2016-0152/
- https://bugzilla.redhat.com/show_bug.cgi?id=1348439
- https://github.com/libarchive/libarchive/commit/e79ef306afe332faf22e9b442a2c6b59cb175573
- https://github.com/libarchive/libarchive/issues/718
- https://security-center.intel.com/advisory.aspx?intelid=INTEL-SA-00062&languageid=en-fr
- https://security.gentoo.org/glsa/201701-03
- https://security-tracker.debian.org/tracker/CVE-2016-4300
CWEs
CWE-190
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.