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CVE-2015-8921

Good to know:

Date: September 20, 2016

The ae_strtofflags function in archive_entry.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted mtree file.

Language: C

Severity Score

7.5

Related Resources (16)

Url: https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html

Url: https://security.gentoo.org/glsa/201701-03

Url: http://www.debian.org/security/2016/dsa-3657

Url: http://rhn.redhat.com/errata/RHSA-2016-1844.html

Url: http://www.openwall.com/lists/oss-security/2016/06/17/2

Url: https://access.redhat.com/security/cve/CVE-2015-8921

Url: http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html

Url: http://rhn.redhat.com/errata/RHSA-2016-1850.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2015-8921

Url: http://www.securityfocus.com/bid/91307

Url: https://github.com/libarchive/libarchive/issues/512

Url: http://www.ubuntu.com/usn/USN-3033-1

Url: https://security-tracker.debian.org/tracker/CVE-2015-8921

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

Url: http://www.openwall.com/lists/oss-security/2016/06/17/5

Url: https://www.mend.io/vulnerability-database/CVE-2015-8921

Severity Score

7.5

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

Upgrade Version

Upgrade to version 3.2.0

CVSS v3.1

Base Score:	7.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	5.0
Access Vector (AV):	NETWORK
Access Complexity (AC):	LOW
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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