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CVE
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CVE-2018-7550Date: (C)2018-03-09   (M)2024-02-22


The load_multiboot function in hw/i386/multiboot.c in Quick Emulator (aka QEMU) allows local guest OS users to execute arbitrary code on the QEMU host via a mh_load_end_addr value greater than mh_bss_end_addr, which triggers an out-of-bounds read or write memory access.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 8.8CVSS Score : 4.6
Exploit Score: 2.0Exploit Score: 3.9
Impact Score: 6.0Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: CHANGEDIntegrity: PARTIAL
Confidentiality: HIGHAvailability: PARTIAL
Integrity: HIGH 
Availability: HIGH 
  
Reference:
BID-103181
DSA-4213
RHSA-2018:1369
RHSA-2018:2462
USN-3649-1
https://lists.debian.org/debian-lts-announce/2018/04/msg00015.html
https://lists.debian.org/debian-lts-announce/2018/04/msg00016.html
https://lists.debian.org/debian-lts-announce/2018/09/msg00007.html
https://lists.gnu.org/archive/html/qemu-devel/2018-02/msg06890.html
https://bugzilla.redhat.com/show_bug.cgi?id=1549798
https://github.com/orangecertcc/security-research/security/advisories/GHSA-f49v-45qp-cv53

CWE    1
CWE-125
OVAL    20
oval:org.secpod.oval:def:51041
oval:org.secpod.oval:def:502351
oval:org.secpod.oval:def:89043856
oval:org.secpod.oval:def:704080
...

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