CVE-2015-8922

libarchive: NULL pointer access in 7z parser

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

La función read_CodersInfo en archive_read_support_format_7zip.c en libarchive en versiones anteriores a 3.2.0 permite a atacantes remotos provocar una denegación de servicio (referencia a puntero NULL y caída) a través de un archivo 7z manipulado, relacionado con la estructura the _7z_folder.

A vulnerability was found in libarchive. A specially crafted 7Z file could trigger a NULL pointer dereference, causing the application to crash.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

Attack Vector

Network

Attack Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2016-06-17 CVE Reserved
2016-07-14 CVE Published
2024-07-13 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-476: NULL Pointer Dereference

CAPEC

References (14)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2016/06/17/2	Mailing List
http://www.openwall.com/lists/oss-security/2016/06/17/5	Mailing List
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html	Third Party Advisory
http://www.securityfocus.com/bid/91312	Vdb Entry
https://blog.fuzzing-project.org/47-Many-invalid-memory-access-issues-in-libarchive.html	Third Party Advisory
https://github.com/libarchive/libarchive/issues/513	X_refsource_confirm
https://www.suse.com/security/cve/CVE-2015-8922.html	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00025.html	2023-09-12
http://rhn.redhat.com/errata/RHSA-2016-1844.html	2023-09-12
http://www.debian.org/security/2016/dsa-3657	2023-09-12
http://www.ubuntu.com/usn/USN-3033-1	2023-09-12
https://security.gentoo.org/glsa/201701-03	2023-09-12
https://access.redhat.com/security/cve/CVE-2015-8922	2016-09-12
https://bugzilla.redhat.com/show_bug.cgi?id=1348419	2016-09-12

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Libarchive Search vendor "Libarchive"		Libarchive Search vendor "Libarchive" for product "Libarchive"				<= 3.1.901a Search vendor "Libarchive" for product "Libarchive" and version " <= 3.1.901a"		-		Affected
Novell Search vendor "Novell"		Suse Linux Enterprise Software Development Kit Search vendor "Novell" for product "Suse Linux Enterprise Software Development Kit"				12.0 Search vendor "Novell" for product "Suse Linux Enterprise Software Development Kit" and version "12.0"		sp1		Affected
Novell Search vendor "Novell"		Suse Linux Enterprise Desktop Search vendor "Novell" for product "Suse Linux Enterprise Desktop"				12.0 Search vendor "Novell" for product "Suse Linux Enterprise Desktop" and version "12.0"		sp1		Affected
Novell Search vendor "Novell"		Suse Linux Enterprise Server Search vendor "Novell" for product "Suse Linux Enterprise Server"				12.0 Search vendor "Novell" for product "Suse Linux Enterprise Server" and version "12.0"		sp1		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				12.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				15.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "15.10"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		lts		Affected
Oracle Search vendor "Oracle"		Linux Search vendor "Oracle" for product "Linux"				7 Search vendor "Oracle" for product "Linux" and version "7"		-		Affected