Vulnerability Monitor

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CVE-2017-15118

A stack-based buffer overflow vulnerability was found in NBD server implementation in qemu before 2.11 allowing a client to request an export name of size up to 4096 bytes, which in fact should be limited to 256 bytes, causing an out-of-bounds stack write in the qemu process. If NBD server requires TLS, the attacker cannot trigger the buffer overflow without first successfully negotiating TLS.

Published

2018-07-27T21:29:00.337

Last Modified

2024-11-21T03:14:06.450

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 8.3 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

6.4

Weaknesses

Type: Secondary
CWE-121
Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	qemu	qemu	< 2.11	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	17.10	Yes
Operating System	redhat	enterprise_linux	7.0	Yes

References

http://www.openwall.com/lists/oss-security/2017/11/28/8 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/101975 Third Party Advisory, VDB Entry ([email protected])
https://access.redhat.com/errata/RHSA-2018:1104 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15118 Issue Tracking, Patch, Third Party Advisory ([email protected])
https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg05045.html Exploit, Patch, Third Party Advisory ([email protected])
https://usn.ubuntu.com/3575-1/ Third Party Advisory ([email protected])
https://www.exploit-db.com/exploits/43194/ Exploit, Third Party Advisory, VDB Entry ([email protected])
http://www.openwall.com/lists/oss-security/2017/11/28/8 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/101975 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:1104 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15118 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg05045.html Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3575-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.exploit-db.com/exploits/43194/ Exploit, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)