Linux Kernel LZO/LZ4 Compression lz4.c numeric error

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Linux Kernel. It has been declared as critical. This vulnerability affects unknown code of the file lz4.c of the component LZO/LZ4 Compression Handler. Executing a manipulation can lead to numeric error. This vulnerability is tracked as CVE-2014-4715. No exploit exists. This vulnerability is notable in history due to its background and the response it received.

Detailsinfo

A vulnerability has been found in Linux Kernel (Operating System) (version now known) and classified as critical. This vulnerability affects some unknown processing of the file lz4.c of the component LZO/LZ4 Compression Handler. The manipulation with an unknown input leads to a numeric error vulnerability. The CWE definition for the vulnerability is CWE-189. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was disclosed 06/09/2014 by Don A. Bailey (sec) as Bug 1115767 as confirmed bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability was named CVE-2014-4715 since 07/02/2014. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 02/08/2022). This vulnerability has a historic impact due to its background and reception.

The vulnerability scanner Nessus provides a plugin with the ID 76468 (Fedora 20 : kernel-3.15.4-200.fc20 (2014-8171)), 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 122432 (Fedora Security Update for kernel (FEDORA-2014-8487)).

The vulnerability is also documented in the databases at X-Force (94241), Tenable (76468), SecurityFocus (BID 68349†), Secunia (SA59770†) and Vulnerability Center (SBV-45542†). The entries VDB-67259, VDB-67260 and VDB-65953 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 76468
Nessus Name: Fedora 20 : kernel-3.15.4-200.fc20 (2014-8171)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 867487
OpenVAS Name: Fedora Update for kernel FEDORA-2014-17283
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/09/2014 🔍
06/09/2014 +0 days 🔍
07/02/2014 +23 days 🔍
07/03/2014 +1 days 🔍
07/03/2014 +0 days 🔍
07/08/2014 +5 days 🔍
07/11/2014 +3 days 🔍
07/21/2014 +10 days 🔍
02/08/2022 +2759 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: Bug 1115767
Researcher: Don A. Bailey (sec)
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-4715 (🔍)
GCVE (CVE): GCVE-0-2014-4715
GCVE (VulDB): GCVE-100-66982
X-Force: 94241 - Linux Kernel LZO integer overflow, High Risk
SecurityFocus: 68349 - LZ4 'lz4.c' Memory Corruption Vulnerability
Secunia: 59770 - Horde Groupware Webmail Edition Security Issue and Multiple Vulnerabilities, Moderately Critical
Vulnerability Center: 45542 - Linux Kernel <3.15.4 Remote DoS or Other Impact in LZ4 via Crafted Literal Run, Medium

See also: 🔍

Entryinfo

Created: 07/08/2014 12:53
Updated: 02/08/2022 10:18
Changes: 07/08/2014 12:53 (46), 06/02/2017 08:05 (36), 02/08/2022 10:12 (3), 02/08/2022 10:18 (1)
Complete: 🔍
Cache ID: 216:34A:103

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