VDB-221477 · CVE-2014-4607 · Nessus 83803

Oberhumer liblzo2/lzo-2 prior 2.07 on 32-bit LZO integer overflow

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7.2	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Oberhumer liblzo2 and lzo-2 on 32-bit. This vulnerability affects unknown code of the component LZO Handler. The manipulation leads to integer overflow. This vulnerability is uniquely identified as CVE-2014-4607. The attack is possible to be carried out remotely. Moreover, an exploit is present. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oberhumer liblzo2 and lzo-2 on 32-bit and classified as critical. This issue affects an unknown code of the component LZO Handler. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Integer overflow in the LZO algorithm variant in Oberhumer liblzo2 and lzo-2 before 2.07 on 32-bit platforms might allow remote attackers to execute arbitrary code via a crafted Literal Run.

The weakness was disclosed 02/18/2023 as 1f718df76e462b1432d11de860daaf57bb59c1f2. The advisory is shared at blog.securitymouse.com. The identification of this vulnerability is CVE-2014-4607 since 06/23/2014. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are unknown but a public exploit is available.

The exploit is available at blog.securitymouse.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 83803 (openSUSE Security Update : LibVNCServer (openSUSE-2015-377)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195723 (Ubuntu Security Notification for Lzo2 Vulnerability (USN-2300-1)).

Upgrading to version 2.07 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (83803) and SecurityFocus (BID 68213†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Oberhumer

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 83803
Nessus Name: openSUSE Security Update : LibVNCServer (openSUSE-2015-377)
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: liblzo2/lzo-2 2.07

Timelineinfo

06/23/2014 🔍
05/26/2015 +337 days 🔍
02/18/2023 +2825 days 🔍
02/18/2023 +0 days 🔍
04/27/2025 +799 days 🔍

Sourcesinfo

Advisory: 1f718df76e462b1432d11de860daaf57bb59c1f2
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2014-4607 (🔍)
GCVE (CVE): GCVE-0-2014-4607
GCVE (VulDB): GCVE-100-221477
SecurityFocus: 68213

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 02/18/2023 13:07
Updated: 04/27/2025 23:32
Changes: 02/18/2023 13:07 (60), 06/07/2024 10:38 (18), 06/08/2024 16:47 (1), 12/15/2024 10:34 (3), 04/27/2025 23:32 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.