Medium severity · published Nov 15, 2018
CVE-2018-18954
The pnv_lpc_do_eccb function in hw/ppc/pnv_lpc.c in Qemu before 3.1 allows out-of-bounds write or read access to PowerNV memory
5.5
CVSS
0.5%
EPSS
No
On KEV
Description
The pnv_lpc_do_eccb function in hw/ppc/pnv_lpc.c in Qemu before 3.1 allows out-of-bounds write or read access to PowerNV memory.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 44% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LE
Leap · Opensuse
42.3 · source: NVD
QE
Qemu · Qemu
before 3.1 · source: NVD
UL
Ubuntu Linux · Canonical
18.04; 18.10 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-18954
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-18954
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html
Mailing List
http://www.openwall.com/lists/oss-security/2018/11/06/6
Third Party Advisory
http://www.securityfocus.com/bid/105920
Mailing List
https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00446.html
seclists.org
https://seclists.org/bugtraq/2019/May/76
Third Party Advisory
https://usn.ubuntu.com/3826-1/
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