Spice
CVE-2020-14355
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
ASVS 5.0
V15 - Secure Coding and Architecture Buffer copy size validation
MITRE ATT&CK
1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 6.6 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required. |
| Exploit ScenarioDerived | A remote attacker could overflow a buffer to corrupt adjacent memory by sending crafted requests to the affected application. |
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Alert meAnalysisAI
Multiple buffer overflow vulnerabilities were found in the QUIC image decoding process of the SPICE remote display system, before spice-0.14.2-1. Rated medium severity (CVSS 6.6), this vulnerability is remotely exploitable, low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.
Affects your stack
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Technical ContextAI · show details
This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Multiple buffer overflow vulnerabilities were found in the QUIC image decoding process of the SPICE remote display system, before spice-0.14.2-1. Both the SPICE client (spice-gtk) and server are affected by these flaws. These flaws allow a malicious client or server to send specially crafted messages that, when processed by the QUIC image compression algorithm, result in a process crash or potential code execution. Affected products include: Spice Project Spice, Redhat Openstack, Canonical Ubuntu Linux, Debian Debian Linux, Opensuse Leap.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Multiple buffer overflow vulnerabilities were found in the QUIC image decoding process of the SPICE remote display system, before spice-0.14.2-1. Both the SPICE client (spice-gtk) and server are affected by these flaws. These flaws allow a malicious client or server to send specially crafted messages that, when processed by the QUIC image compression algorithm, result in a process crash or potential code execution.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)NVD
The smartcard interaction in SPICE allows remote attackers to cause a denial of service (QEMU-KVM process crash) or poss
Stack-based buffer overflow in the reds_handle_ticket function in server/reds.c in SPICE 0.12.0 allows remote attackers
A flaw was found in spice in versions before 0.14.92. Rated medium severity (CVSS 5.3), this vulnerability is remotely e
spice versions though 0.13 are vulnerable to out-of-bounds memory access when processing specially crafted messages from
Multiple integer overflow and buffer overflow issues were discovered in spice-client's handling of LZ compressed frames.
A vulnerability was discovered in SPICE before version 0.14.1 where the generated code used for demarshalling messages l
Heap-based buffer overflow in SPICE before 0.12.6 allows guest OS users to cause a denial of service (heap-based memory
Out-of-bounds heap reads and writes in spice-server's SPICE_MSGC_MIGRATE_DATA handling let an authenticated SPICE client
Spice, versions 0.5.2 through 0.14.1, are vulnerable to an out-of-bounds read due to an off-by-one error in memslot_get_
Heap-based buffer overflow in SPICE before 0.12.6 allows guest OS users to read and write to arbitrary memory locations
SPICE allows local guest OS users to read from or write to arbitrary host memory locations via crafted primary surface p
Race condition in the worker_update_monitors_config function in SPICE 0.12.4 allows a remote authenticated guest user to
GitHub PoC
Exploit-DB