GNU cpio 2.11 process_copy_in memory corruption

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CTI Interest Score
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6.4$0-$5k0.00

A vulnerability classified as critical was found in GNU cpio 2.11. Affected by this vulnerability is the function process_copy_in. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in the process_copy_in function in GNU Cpio 2.11 allows remote attackers to cause a denial of service via a large block value in a cpio archive.

The weakness was disclosed 12/04/2014 by Michal Zalewski as Bug 1167571 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2014-9112 since 11/26/2014. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 80364 (Fedora 20 : cpio-2.11-28.fc20 (2014-16250)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195739 (Ubuntu Security Notification for Cpio Vulnerabilities (USN-2456-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (99130) and Tenable (80364). The entries 68279, 72083, 74129 and 74989 are pretty similar.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
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CVSSv2info

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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

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Nessus ID: 80364
Nessus Name: Fedora 20 : cpio-2.11-28.fc20 (2014-16250)
Nessus File: 🔍
Nessus Risk: 🔍
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OpenVAS ID: 703111
OpenVAS Name: Debian Security Advisory DSA 3111-1 (cpio - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

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Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Timelineinfo

11/23/2014 🔍
11/23/2014 +0 days 🔍
11/26/2014 +3 days 🔍
11/27/2014 +1 days 🔍
12/01/2014 +4 days 🔍
12/02/2014 +1 days 🔍
12/04/2014 +2 days 🔍
12/05/2014 +1 days 🔍
01/06/2015 +32 days 🔍
02/27/2022 +2609 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 1167571
Researcher: Michal Zalewski
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-9112 (🔍)
OVAL: 🔍

X-Force: 99130 - GNU cpio process_copy_in() buffer overflow, Medium Risk
Vulnerability Center: 47330 - GNU cpio 2.11 Local DoS via a Large Block Value in a cpio Archive, Low
SecurityFocus: 71248 - Linux Kernel cpio 'list_file()' Function Heap Based Buffer Overflow Vulnerability
Secunia: 60167 - GNU Cpio Archive Handling Vulnerabilities, Highly Critical

See also: 🔍

Entryinfo

Created: 12/05/2014 09:50
Updated: 02/27/2022 15:30
Changes: 12/05/2014 09:50 (76), 06/13/2017 08:35 (6), 02/27/2022 15:30 (3)
Complete: 🔍

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