Fabrice Bellard QEMU 1.7.0 State Loader tsc210x_load memory corruption

CVSS Meta Temp Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Fabrice Bellard QEMU 1.7.0. This issue affects the function tsc210x_load of the component State Loader. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2013-4539. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in Fabrice Bellard QEMU 1.7.0 (Virtualization Software). It has been classified as problematic. This affects the function tsc210x_load of the component State Loader. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 02/18/2014 by Petr Matousek as Bug 1066387 as confirmed bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2013-4539 since 06/12/2013. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. The advisory points out:

s->precision, nextprecision, function and nextfunction come from wire and are used as idx into resolution[] in TSC_CUT_RESOLUTION. An user able to alter the savevm data (either on the disk or over the wire during migration) could use this flaw to to corrupt QEMU process memory on the (destination) host, which could potentially result in arbitrary code execution on the host with the privileges of the QEMU process.

The vulnerability scanner Nessus provides a plugin with the ID 74047 (Fedora 20 : qemu-1.6.2-5.fc20 (2014-6288)), 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 168775 (SUSE Enterprise Linux Security update for xen (SUSE-SU-2016:1154-1)).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at git.qemu.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (93238), Tenable (74047), SecurityFocus (BID 67483†), OSVDB (106042†) and Vulnerability Center (SBV-47064†). Entries connected to this vulnerability are available at VDB-13023, VDB-13216, VDB-13254 and VDB-13266. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.9
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 74047
Nessus Name: Fedora 20 : qemu-1.6.2-5.fc20 (2014-6288)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for qemu FEDORA-2014-6288
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: git.qemu.org

Timelineinfo

06/12/2013 🔍
02/18/2014 +251 days 🔍
02/18/2014 +0 days 🔍
05/16/2014 +87 days 🔍
05/19/2014 +3 days 🔍
05/22/2014 +3 days 🔍
11/04/2014 +166 days 🔍
11/13/2014 +9 days 🔍
06/20/2021 +2411 days 🔍

Sourcesinfo

Vendor: bellard.org

Advisory: Bug 1066387
Researcher: Petr Matousek
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-4539 (🔍)
GCVE (CVE): GCVE-0-2013-4539
GCVE (VulDB): GCVE-100-13281

OVAL: 🔍

X-Force: 93238 - QEMU tsc210x_load() code execution, Medium Risk
SecurityFocus: 67483 - QEMU Multiple Memory Corruption Vulnerabilities
OSVDB: 106042
Vulnerability Center: 47064 - QEMU Prior to 1.7.2 Remote Code Execution due to Buffer Overflow in the tsc210x_load Function, High

See also: 🔍

Entryinfo

Created: 05/22/2014 12:06
Updated: 06/20/2021 08:32
Changes: 05/22/2014 12:06 (76), 06/12/2017 08:09 (7), 06/20/2021 08:31 (3), 06/20/2021 08:32 (1)
Complete: 🔍
Cache ID: 216:3B1:103

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