CVE-2016-7166
No known exploitation. EPSS puts it in the 77th percentile. A vendor fix is available.
No public exploit knownFixVendor fixNo build named by the sources
e.g. OID 1.3.6.1.4.1.25623.1.0.120732
What to do
The vendor has published a fix. Version details are below where the sources state them.
- LibarchiveAffected: ≤ 3.1.901aUpgrade to: after 3.1.901aStated by: NVD
- ООО «РусБИТех-Астра» Astra Linux Special EditionAffected: 1.5 «Смоленск»Upgrade to: not statedStated by: BDU
- Red Hat Inc. Red Hat Enterprise LinuxAffected: 6Upgrade to: not statedStated by: BDU
- Сообщество свободного программного обеспечения libarchiveAffected: до 3.2.2Upgrade to: not statedStated by: BDU
- Oracle Corp. LinuxAffected: 6Upgrade to: not statedStated by: BDU
Versions as the sources state them. Full version matrix after sign-in
What it is
From the CVE record
libarchive before 3.2.0 does not limit the number of recursive decompressions, which allows remote attackers to cause a denial of service (memory consumption and application crash) via a crafted gzip file.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
1.6% chance of exploitation activity in the next 30 days, which ranks it in the 77th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 3564 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified
Affected products
And 7 more affected products. See all after sign-in
Technical detail
CVSS 3.0 vector
Open in the CVSS calculatorCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Scored 5.5 by NVD.
How it is reached
- Attack Vector LocalRequires local access to the vulnerable system (e.g. local login, malicious file)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity NoneNo integrity impact
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
Sources
References in the record
- rhn.redhat.com/errata/RHSA-2016-1844.html
- rhn.redhat.com/errata/RHSA-2016-1850.html
- openwall.com/lists/oss-security/2016/09/08/15
And 10 more references. See all after sign-in
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