Fabrice Bellard QEMU ne2000_receive memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Fabrice Bellard QEMU and classified as critical. Affected by this vulnerability is the function ne2000_receive. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2015-5279. There is no exploit available.

Detailsinfo

A vulnerability was found in Fabrice Bellard QEMU (Virtualization Software) (the affected version is unknown). It has been declared as critical. This vulnerability affects the function ne2000_receive. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in the ne2000_receive function in hw/net/ne2000.c in QEMU before 2.4.0.1 allows guest OS users to cause a denial of service (instance crash) or possibly execute arbitrary code via vectors related to receiving packets.

The weakness was shared 09/15/2015 by Qinghao Tang as confirmed mailinglist post (oss-sec). The advisory is shared for download at seclists.org. This vulnerability was named CVE-2015-5279 since 07/01/2015. The exploitation appears to be easy. The attack needs to be initiated within the local network. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 86023 (Debian DSA-3361-1 : qemu - 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 168989 (SUSE Enterprise Linux Security Update for kvm (SUSE-SU-2016:1785-1)).

The vulnerability is also documented in the databases at X-Force (106356), Tenable (86023), SecurityFocus (BID 76746†) and Vulnerability Center (SBV-52989†). The entry VDB-79100 is related to this item. 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: 6.3
VulDB Meta Temp Score: 5.5

VulDB Base Score: 6.3
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86023
Nessus Name: Debian DSA-3361-1 : qemu - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 703361
OpenVAS Name: Debian Security Advisory DSA 3361-1 (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: 🔍

Patch: 7aa2bcad0ca837dd6d4bf4fa38a80314b4a6b755

Timelineinfo

07/01/2015 🔍
09/15/2015 +76 days 🔍
09/15/2015 +0 days 🔍
09/15/2015 +0 days 🔍
09/16/2015 +1 days 🔍
09/28/2015 +12 days 🔍
09/29/2015 +1 days 🔍
06/15/2022 +2451 days 🔍

Sourcesinfo

Vendor: bellard.org

Advisory: RHSA-2015:1896
Researcher: Qinghao Tang
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-5279 (🔍)
GCVE (CVE): GCVE-0-2015-5279
GCVE (VulDB): GCVE-100-77704

OVAL: 🔍

X-Force: 106356 - Qemu ne2000_receive() buffer overflow
SecurityFocus: 76746 - QEMU NE2000 NIC Emulation Heap Based Buffer Overflow Vulnerability
SecurityTracker: 1033569
Vulnerability Center: 52989 - QEMU before 2.4.0.1 Local DoS or Code Execution via Vectors Related to Receiving Packets, Medium

See also: 🔍

Entryinfo

Created: 09/16/2015 10:50
Updated: 06/15/2022 13:16
Changes: 09/16/2015 10:50 (64), 02/01/2018 06:51 (10), 06/15/2022 13:09 (6), 06/15/2022 13:16 (1)
Complete: 🔍
Cache ID: 216:D73:103

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