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CVE-2017-13711

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Date: September 1, 2017

Use-after-free vulnerability in the sofree function in slirp/socket.c in QEMU (aka Quick Emulator) allows attackers to cause a denial of service (QEMU instance crash) by leveraging failure to properly clear ifq_so from pending packets.

Language: C

Severity Score

Related Resources (13)

http://www.securityfocus.com/bid/100534
http://www.debian.org/security/2017/dsa-3991
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-13711
https://bugzilla.redhat.com/show_bug.cgi?id=1486400
https://nvd.nist.gov/vuln/detail/CVE-2017-13711
https://access.redhat.com/errata/RHSA-2018:1104
https://security-tracker.debian.org/tracker/CVE-2017-13711
https://access.redhat.com/errata/RHSA-2018:1113
https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg05201.html
https://access.redhat.com/errata/RHSA-2018:0816
https://access.redhat.com/security/cve/CVE-2017-13711
http://www.openwall.com/lists/oss-security/2017/08/29/6
https://www.mend.io/vulnerability-database/CVE-2017-13711

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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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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