Vulnerability CVE-2015-8922


Published: 2016-09-20

Description:
The read_CodersInfo function in archive_read_support_format_7zip.c in libarchive before 3.2.0 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted 7z file, related to the _7z_folder struct.

Type:

CWE-476

(NULL Pointer Dereference)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Oracle -> Linux 
Novell -> Suse linux enterprise desktop 
Novell -> Suse linux enterprise server 
Novell -> Suse linux enterprise software development kit 
Libarchive -> Libarchive 
Canonical -> Ubuntu linux 

 References:
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html
http://rhn.redhat.com/errata/RHSA-2016-1844.html
http://www.debian.org/security/2016/dsa-3657
http://www.openwall.com/lists/oss-security/2016/06/17/2
http://www.openwall.com/lists/oss-security/2016/06/17/5
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
http://www.securityfocus.com/bid/91312
http://www.ubuntu.com/usn/USN-3033-1
https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html
https://github.com/libarchive/libarchive/issues/513
https://security.gentoo.org/glsa/201701-03
https://www.suse.com/security/cve/CVE-2015-8922.html

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