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CVE-2017-6058

Date: March 20, 2017

Buffer overflow in NetRxPkt::ehdr_buf in hw/net/net_rx_pkt.c in QEMU (aka Quick Emulator), when the VLANSTRIP feature is enabled on the vmxnet3 device, allows remote attackers to cause a denial of service (out-of-bounds access and QEMU process crash) via vectors related to VLAN stripping.

Language: C

Severity Score

Related Resources (10)

http://git.qemu-project.org/?p=qemu.git%3Ba=commit%3Bh=df8bf7a7fe75eb5d5caffa55f5cd4292b757aea6
http://www.securitytracker.com/id/1037856
https://security.gentoo.org/glsa/201704-01
https://nvd.nist.gov/vuln/detail/CVE-2017-6058
https://lists.nongnu.org/archive/html/qemu-devel/2017-02/msg03527.html
https://security-tracker.debian.org/tracker/CVE-2017-6058
http://www.openwall.com/lists/oss-security/2017/02/17/2
https://bugzilla.redhat.com/show_bug.cgi?id=1423358
http://www.securityfocus.com/bid/96277
https://www.mend.io/vulnerability-database/CVE-2017-6058

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Out-of-bounds Read

CWE-125

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

CWE-120

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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