Vulnerability Details : CVE-2016-7166
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.
Vulnerability category: Denial of service
Products affected by CVE-2016-7166
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_hpc_node:6.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_hpc_node:7.0:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_server_eus:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:redhat:enterprise_linux_hpc_node_eus:7.2:*:*:*:*:*:*:*
- cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*
- cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*
- cpe:2.3:a:libarchive:libarchive:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-7166
1.69%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 88 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-7166
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2016-7166
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-7166
-
https://github.com/libarchive/libarchive/issues/660
Possible denial of service using a crafted gzip file · Issue #660 · libarchive/libarchive · GitHubIssue Tracking;Patch;Third Party Advisory
-
http://www.securityfocus.com/bid/92901
libarchive CVE-2016-7166 Denial Of Service VulnerabilityThird Party Advisory
-
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=207362
207362 – Crafted gzip archive causes tar(1) to exhaust all your memoryIssue Tracking
-
http://rhn.redhat.com/errata/RHSA-2016-1850.html
RHSA-2016:1850 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
http://rhn.redhat.com/errata/RHSA-2016-1844.html
RHSA-2016:1844 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://security.gentoo.org/glsa/201701-03
libarchive: Multiple vulnerabilities (GLSA 201701-03) — Gentoo security
-
http://www.openwall.com/lists/oss-security/2016/09/08/15
oss-security - CVE request: libarchive (pre 3.2.0) denial of service with gzip quineMailing List;Third Party Advisory
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https://bugzilla.redhat.com/show_bug.cgi?id=1347086
1347086 – (CVE-2016-7166) CVE-2016-7166 libarchive: Denial of service using a crafted gzip fileIssue Tracking
-
http://www.openwall.com/lists/oss-security/2016/09/08/18
oss-security - Re: CVE request: libarchive (pre 3.2.0) denial of service with gzip quineMailing List;Third Party Advisory
-
https://github.com/libarchive/libarchive/commit/6e06b1c89dd0d16f74894eac4cfc1327a06ee4a0
Fix a potential crash issue discovered by Alexander Cherepanov: · libarchive/libarchive@6e06b1c · GitHubIssue Tracking;Patch
-
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Oracle Linux Bulletin - July 2016Third Party Advisory
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