Fabrice Bellard QEMU /net/slirp.c code

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Fabrice Bellard QEMU. It has been classified as problematic. This vulnerability affects unknown code of the file /net/slirp.c. This manipulation causes denial of service. This vulnerability is handled as CVE-2015-4037. There is not any exploit available.

Detailsinfo

A vulnerability was found in Fabrice Bellard QEMU (Virtualization Software) (unknown version). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the file /net/slirp.c. The manipulation with an unknown input leads to a code vulnerability. The CWE definition for the vulnerability is CWE-17. As an impact it is known to affect availability. The summary by CVE is:

The slirp_smb function in net/slirp.c in QEMU 2.3.0 and earlier creates temporary files with predictable names, which allows local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program.

The weakness was released 05/23/2015 by Kurt Seifried as Bug 1222892 as confirmed bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2015-4037 since 05/19/2015. The exploitation appears to be easy. An attack has to be approached locally. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 84131 (Fedora 22 : qemu-2.3.0-5.fc22 (2015-9601)), 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 196133 (Ubuntu Security Notification for Qemu, Qemu-kvm Vulnerabilities (USN-2630-1)).

The vulnerability is also documented in the databases at X-Force (103526), Tenable (84131), SecurityFocus (BID 74809†) and Vulnerability Center (SBV-52423†). Entry connected to this vulnerability is available at VDB-75837. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.2
VulDB Meta Temp Score: 5.4

VulDB Base Score: 6.2
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Code
CWE: CWE-17
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 84131
Nessus Name: Fedora 22 : qemu-2.3.0-5.fc22 (2015-9601)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 703284
OpenVAS Name: Debian Security Advisory DSA 3284-1 (qemu - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/01/2014 🔍
05/13/2015 +497 days 🔍
05/19/2015 +6 days 🔍
05/23/2015 +4 days 🔍
06/02/2015 +10 days 🔍
06/12/2015 +10 days 🔍
08/26/2015 +75 days 🔍
09/03/2015 +8 days 🔍
05/20/2022 +2450 days 🔍

Sourcesinfo

Vendor: bellard.org

Advisory: Bug 1222892
Researcher: Kurt Seifried
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-4037 (🔍)
GCVE (CVE): GCVE-0-2015-4037
GCVE (VulDB): GCVE-100-75661

OVAL: 🔍

X-Force: 103526 - QEMU slirp.c denial of service
SecurityFocus: 74809 - QEMU 'net/slirp.c' Insecure Temporary File Creation Vulnerability
SecurityTracker: 1032547
Vulnerability Center: 52423 - QEMU <2.3.0 Local DoS due to an Error in the slirp_smb Function in net/slirp.c, Low

See also: 🔍

Entryinfo

Created: 06/02/2015 10:33
Updated: 05/20/2022 00:26
Changes: 06/02/2015 10:33 (66), 11/24/2017 08:31 (11), 05/20/2022 00:18 (3), 05/20/2022 00:26 (1)
Complete: 🔍
Cache ID: 216::103

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

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