FuseISO 20070708 ISO File isofs.c isofs_real_readdir memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in FuseISO 20070708. This affects the function isofs_real_readdir of the file isofs.c of the component ISO File Handler. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2015-8837. The attack needs to be performed locally. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in FuseISO 20070708. This issue affects the function isofs_real_readdir of the file isofs.c of the component ISO File Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in the isofs_real_readdir function in isofs.c in FuseISO 20070708 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a long pathname in an ISO file.

The weakness was released 03/30/2016 by Florian Weimer with Red Hat Product Security Team (Website). It is possible to read the advisory at debian.org. The identification of this vulnerability is CVE-2015-8837 since 03/30/2016. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 90551 (Debian DSA-3551-1 : fuseiso - security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175722 (Debian Security Update for fuseiso (DSA 3551-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (90551), SecurityFocus (BID 85574†) and Vulnerability Center (SBV-57832†). Entry connected to this vulnerability is available at VDB-81550. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 90551
Nessus Name: Debian DSA-3551-1 : fuseiso - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703551
OpenVAS Name: Debian Security Advisory DSA 3551-1 (fuseiso - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/27/2016 🔍
03/30/2016 +2 days 🔍
03/30/2016 +0 days 🔍
03/30/2016 +0 days 🔍
03/30/2016 +0 days 🔍
03/31/2016 +1 days 🔍
03/31/2016 +0 days 🔍
04/16/2016 +16 days 🔍
04/18/2016 +2 days 🔍
02/03/2019 +1021 days 🔍

Sourcesinfo

Advisory: debian.org
Researcher: Florian Weimer
Organization: Red Hat Product Security Team
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8837 (🔍)
GCVE (CVE): GCVE-0-2015-8837
GCVE (VulDB): GCVE-100-81551

OVAL: 🔍

SecurityFocus: 85574 - fuseiso Multiple Stack Buffer Overflow Vulnerabilities
Vulnerability Center: 57832 - FuseISO Remote Code Execution via a Long Pathname in an ISO File, High

See also: 🔍

Entryinfo

Created: 03/31/2016 10:42
Updated: 02/03/2019 10:23
Changes: 03/31/2016 10:42 (72), 02/03/2019 10:23 (16)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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