FKIE_CVE-2019-12068

Vulnerability from fkie_nvd - Published: 2019-09-24 20:15 - Updated: 2024-11-21 04:22
Severity ?
3.8 (Low) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L
Summary
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.
References
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-11/msg00034.htmlThird Party Advisory
cve@mitre.orghttp://lists.opensuse.org/opensuse-security-announce/2019-11/msg00038.htmlThird Party Advisory
cve@mitre.orghttps://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=de594e47659029316bbf9391efb79da0a1a08e08
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2019/09/msg00021.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
cve@mitre.orghttps://lists.gnu.org/archive/html/qemu-devel/2019-08/msg01518.htmlMailing List, Patch, Third Party Advisory
cve@mitre.orghttps://security-tracker.debian.org/tracker/CVE-2019-12068Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4191-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/4191-2/Third Party Advisory
cve@mitre.orghttps://www.debian.org/security/2020/dsa-4665
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00034.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00038.htmlThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=de594e47659029316bbf9391efb79da0a1a08e08
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2019/09/msg00021.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
af854a3a-2127-422b-91ae-364da2661108https://lists.gnu.org/archive/html/qemu-devel/2019-08/msg01518.htmlMailing List, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security-tracker.debian.org/tracker/CVE-2019-12068Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4191-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/4191-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4665
Impacted products
Vendor Product Version
qemu qemu 1\
qemu qemu 1\
debian debian_linux 8.0
qemu qemu 1\
debian debian_linux 9.0
qemu qemu 1\
qemu qemu 1\
debian debian_linux 10.0
canonical ubuntu_linux 14.04
canonical ubuntu_linux 16.04
canonical ubuntu_linux 18.04
canonical ubuntu_linux 19.04
canonical ubuntu_linux 19.10
opensuse leap 15.0
opensuse leap 15.1
To clipboard 

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      "lang": "en",
      "value": "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 \u0027s-\u003edsp\u0027 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."
    },
    {
      "lang": "es",
      "value": "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 funci\u00f3n lsi_execute_script(), el emulador del adaptador scsi de LSI avanza el \u00edndice \"s-)dsp\" para leer el pr\u00f3ximo opcode. Esto puede conllevar a un bucle infinito si el siguiente opcode est\u00e1 vac\u00edo. Mueve la salida del bucle existente despu\u00e9s de 10k iteraciones para que cubra tambi\u00e9n los opcodes no operativos."
    }
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  "id": "CVE-2019-12068",
  "lastModified": "2024-11-21T04:22:10.287",
  "metrics": {
    "cvssMetricV2": [
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        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 2.1,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
          "version": "2.0"
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        "exploitabilityScore": 3.9,
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        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
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          "baseScore": 3.8,
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          "confidentialityImpact": "NONE",
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          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:L",
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  "published": "2019-09-24T20:15:11.747",
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ],
      "source": "nvd@nist.gov",
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}


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Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.