CVE-2019-12068
Severity Score
3.8
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
In QEMU 1:4.1-1, 1:2.1+dfsg-12+deb8u6, 1:2.8+dfsg-6+deb9u8, 1:3.1+dfsg-8~deb10u1, 1:3.1+dfsg-8+deb10u2, and 1:2.1+dfsg-12+deb8u12 (fixed), when executing script in lsi_execute_script(), the LSI scsi adapter emulator advances 's->dsp' index to read next opcode. This can lead to an infinite loop if the next opcode is empty. Move the existing loop exit after 10k iterations so that it covers no-op opcodes as well.
En QEMU versiones 1:4.1-1, 1:2.1+dfsg-12+deb8u6, 1:2.8+dfsg-6+deb9u8, 1:3.1+dfsg-8~deb10u1, 1:3.1+dfsg-8+deb10u2, y 1:2.1+dfsg-12+deb8u12 (corregida), cuando se ejecuta el script en la función lsi_execute_script(), el emulador del adaptador scsi de LSI avanza el índice "s-)dsp" para leer el próximo opcode. Esto puede conllevar a un bucle infinito si el siguiente opcode está vacío. Mueve la salida del bucle existente después de 10k iteraciones para que cubra también los opcodes no operativos.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
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Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
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* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2019-05-13 CVE Reserved
- 2019-09-24 CVE Published
- 2024-08-04 CVE Updated
- 2024-09-17 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
CAPEC
References (10)
| URL | Tag | Source |
|---|---|---|
| https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=de594e47659029316bbf9391efb79da0a1a08e08 | X_refsource_misc | |
| https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html | Mailing List |
|
| https://security-tracker.debian.org/tracker/CVE-2019-12068 | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg01518.html | 2023-11-07 |
| URL | Date | SRC |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00034.html | 2023-11-07 | |
| http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00038.html | 2023-11-07 | |
| https://usn.ubuntu.com/4191-1 | 2023-11-07 | |
| https://usn.ubuntu.com/4191-2 | 2023-11-07 | |
| https://www.debian.org/security/2020/dsa-4665 | 2023-11-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | 1:2.1\+dfsg-12\+deb8u6 Search vendor "Qemu" for product "Qemu" and version "1:2.1\+dfsg-12\+deb8u6" | - |
Affected
| in | Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0" | - |
Safe
|
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | 1:2.8\+dfsg-6\+deb9u8 Search vendor "Qemu" for product "Qemu" and version "1:2.8\+dfsg-6\+deb9u8" | - |
Affected
| in | Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0" | - |
Safe
|
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | 1:3.1\+dfsg-8\+deb10u2 Search vendor "Qemu" for product "Qemu" and version "1:3.1\+dfsg-8\+deb10u2" | - |
Affected
| in | Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Safe
|
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | 1:3.1\+dfsg-8\~deb10u1 Search vendor "Qemu" for product "Qemu" and version "1:3.1\+dfsg-8\~deb10u1" | - |
Affected
| in | Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Safe
|
| Qemu Search vendor "Qemu" | Qemu Search vendor "Qemu" for product "Qemu" | 1:4.1-1 Search vendor "Qemu" for product "Qemu" and version "1:4.1-1" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04" | esm |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 19.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.04" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 19.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.10" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | 15.0 Search vendor "Opensuse" for product "Leap" and version "15.0" | - |
Affected
| ||||||
| Opensuse Search vendor "Opensuse" | Leap Search vendor "Opensuse" for product "Leap" | 15.1 Search vendor "Opensuse" for product "Leap" and version "15.1" | - |
Affected
| ||||||