openwall.com
http://www.openwall.com/lists/oss-security/2017/11/28/8 CVE-2017-15118
HIGH
QEMU - NBD Server Long Export Name Stack Buffer Overflow
Record summary
CVE-2017-15118 has a selected CVSS score of 8.3 (high); EIP currently links 1 catalogued exploit.
Description
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.
Description source: CVE List
Exploitation context
Available material
- Catalogued exploits
- 1
Affected products and versions
1| Product | Source | Version range | Status |
|---|---|---|---|
| CVE List | 2.11 | affected |
Proofs of concept
1Catalogued exploits
ExploitDBQEMU - NBD Server Long Export Name Stack Buffer OverflowExploitDB exploitby Eric BlakeNot analyzed1 file
References
8101975vdb entry
http://www.securityfocus.com/bid/101975 RHSA-2018:1104Vendor advisory
https://access.redhat.com/errata/RHSA-2018:1104 bugzilla.redhat.comConfirmation
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-15118 lists.gnu.org
https://lists.gnu.org/archive/html/qemu-devel/2017-11/msg05045.html nvd.nist.gov
https://nvd.nist.gov/vuln/detail/CVE-2017-15118 USN-3575-1Vendor advisory
https://usn.ubuntu.com/3575-1 43194exploit
https://www.exploit-db.com/exploits/43194