Vulnerability-Lookup

BDU:2019-02768 (CVE-2019-0053)

Vulnerability from fstec – Published: 2019-08-02 – Updated: 2022-10-18 – View on bdu.fstec.ru Exploit publicly available Yes Fixed

Title

Уязвимость реализации протокола telnet операционной системы JunOS, позволяющая нарушителю обойти ограничения veriexec для операционной системы

Summary

Уязвимость реализации протокола telnet операционной системы JunOS вызвана переполнением буфера на стеке. Эксплуатация уязвимости может позволить нарушителю обойти ограничения veriexec для операционной системы

Severity

7.2 (High) CVSS 2.0


                      
                        AV:L/AC:L/Au:N/C:C/I:C/A:C

7.8 (High) CVSS 3.0


                      
                        CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Class

Code vulnerability

Status

Confirmed by the vendor

Exploitation

Data structure manipulation

Incidents

Yes

Remediation

Software update

CWE

CWE-119 - Выход операции за границы буфера в памяти

Aliases

CVE-2019-0053, EXPLOIT, DATABASE, ID:45982

References

5 references

URL
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10947&cat=SIRT_1&actp=LIST
https://vuldb.com/?id.137744
https://www.exploit-db.com/exploits/45982
https://www.freebsd.org/security/advisories/FreeBSD-SA-19:12.telnet.asc
https://поддержка.нппкт.рф/bin/view/ОСнова/Обновления/2.5.1/

Impacted products

2 products from 2 vendors

Vendors

Juniper Networks Inc., АО «НППКТ»

Products

JunOS, ОСОН ОСнова Оnyx (запись в едином реестре российских программ №5913)

Versions

от 15.1 до 15.1F6-S12 (JunOS), от 17.1 до 17.1R3 (JunOS), от 16.2 до 16.2R2-S9 (JunOS), от 18.1 до 18.1R2-S4 (JunOS), от 18.2X75 до 18.2X75-D40 (JunOS), от 18.3 до 18.3R1-S3 (JunOS), от 18.4 до 18.4R1-S2 (JunOS), от 14.1X53 до 14.1X53-D130 (JunOS), от 17.2 до 17.2R1-S8 (JunOS), от 17.3 до 17.3R3-S4 (JunOS), от 18.2 до 18.2R1-S5 (JunOS), от 17.4 до 17.4R1-S6 (JunOS), от 12.3X48 до 12.3X48-D80 (JunOS), от 15.1X49 до 15.1X49-D170 (JunOS), от 12.3 до 12.3R12-S13 (JunOS), от 15.1X53 до 15.1X53-D237 (JunOS), от 16.1 до 16.1R3-S11 (JunOS), до 2.5.1 (ОСОН ОСнова Оnyx)

Product types

Operating system

Mitigations

Использование рекомендаций производителя: https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10947&cat=SIRT_1&actp=LIST Для ОСОН Основа: Обновление программного обеспечения inetutils до версии 2:1.9.4-11

Credits

JSON

To clipboard

{
  "CVSS 2.0": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
  "CVSS 3.0": "AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "CVSS 4.0": null,
  "remediation_\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": null,
  "remediation_\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435": null,
  "\u0412\u0435\u043d\u0434\u043e\u0440 \u041f\u041e": "Juniper Networks Inc., \u0410\u041e \u00ab\u041d\u041f\u041f\u041a\u0422\u00bb",
  "\u0412\u0435\u0440\u0441\u0438\u044f \u041f\u041e": "\u043e\u0442 15.1 \u0434\u043e 15.1F6-S12 (JunOS), \u043e\u0442 17.1 \u0434\u043e 17.1R3 (JunOS), \u043e\u0442 16.2 \u0434\u043e 16.2R2-S9 (JunOS), \u043e\u0442 18.1 \u0434\u043e 18.1R2-S4 (JunOS), \u043e\u0442 18.2X75 \u0434\u043e 18.2X75-D40 (JunOS), \u043e\u0442 18.3 \u0434\u043e 18.3R1-S3 (JunOS), \u043e\u0442 18.4 \u0434\u043e 18.4R1-S2 (JunOS), \u043e\u0442 14.1X53 \u0434\u043e 14.1X53-D130 (JunOS), \u043e\u0442 17.2 \u0434\u043e 17.2R1-S8 (JunOS), \u043e\u0442 17.3 \u0434\u043e 17.3R3-S4 (JunOS), \u043e\u0442 18.2 \u0434\u043e 18.2R1-S5 (JunOS), \u043e\u0442 17.4 \u0434\u043e 17.4R1-S6 (JunOS), \u043e\u0442 12.3X48 \u0434\u043e 12.3X48-D80 (JunOS), \u043e\u0442 15.1X49 \u0434\u043e 15.1X49-D170 (JunOS), \u043e\u0442 12.3 \u0434\u043e 12.3R12-S13 (JunOS), \u043e\u0442 15.1X53 \u0434\u043e 15.1X53-D237 (JunOS), \u043e\u0442 16.1 \u0434\u043e 16.1R3-S11 (JunOS), \u0434\u043e 2.5.1 (\u041e\u0421\u041e\u041d \u041e\u0421\u043d\u043e\u0432\u0430 \u041enyx)",
  "\u0412\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u043c\u0435\u0440\u044b \u043f\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e": "\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0440\u0435\u043a\u043e\u043c\u0435\u043d\u0434\u0430\u0446\u0438\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044f: \nhttps://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10947\u0026cat=SIRT_1\u0026actp=LIST\n\n\u0414\u043b\u044f \u041e\u0421\u041e\u041d \u041e\u0441\u043d\u043e\u0432\u0430:\n\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f inetutils \u0434\u043e \u0432\u0435\u0440\u0441\u0438\u0438 2:1.9.4-11",
  "\u0414\u0430\u0442\u0430 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u044f": "11.12.2018",
  "\u0414\u0430\u0442\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0433\u043e \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f": "18.10.2022",
  "\u0414\u0430\u0442\u0430 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438": "02.08.2019",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440": "BDU:2019-02768",
  "\u0418\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u044b \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0438\u0441\u0442\u0435\u043c \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0439 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "CVE-2019-0053, Exploit Database ID:45982",
  "\u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f \u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430",
  "\u041a\u043b\u0430\u0441\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u043e\u0434\u0430",
  "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435 \u041f\u041e": "JunOS, \u041e\u0421\u041e\u041d \u041e\u0421\u043d\u043e\u0432\u0430 \u041enyx (\u0437\u0430\u043f\u0438\u0441\u044c \u0432 \u0435\u0434\u0438\u043d\u043e\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0445 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c \u21165913)",
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u041e\u0421 \u0438 \u0442\u0438\u043f \u0430\u043f\u043f\u0430\u0440\u0430\u0442\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b": null,
  "\u041d\u0430\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 telnet \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b JunOS, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043e\u0431\u043e\u0439\u0442\u0438 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f veriexec \u0434\u043b\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b",
  "\u041d\u0430\u043b\u0438\u0447\u0438\u0435 \u044d\u043a\u0441\u043f\u043b\u043e\u0439\u0442\u0430": "\u0421\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u0435\u0442 \u0432 \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u043c \u0434\u043e\u0441\u0442\u0443\u043f\u0435",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "\u0412\u044b\u0445\u043e\u0434 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0437\u0430 \u0433\u0440\u0430\u043d\u0438\u0446\u044b \u0431\u0443\u0444\u0435\u0440\u0430 \u0432 \u043f\u0430\u043c\u044f\u0442\u0438 (CWE-119)",
  "\u041e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 telnet \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b JunOS \u0432\u044b\u0437\u0432\u0430\u043d\u0430 \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435\u043c \u0431\u0443\u0444\u0435\u0440\u0430 \u043d\u0430 \u0441\u0442\u0435\u043a\u0435. \u042d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u044f \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442\u044c \u043d\u0430\u0440\u0443\u0448\u0438\u0442\u0435\u043b\u044e \u043e\u0431\u043e\u0439\u0442\u0438 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u044f veriexec \u0434\u043b\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b",
  "\u041f\u043e\u0441\u043b\u0435\u0434\u0441\u0442\u0432\u0438\u044f \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": null,
  "\u041f\u0440\u043e\u0447\u0430\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044f": "-",
  "\u0421\u0432\u044f\u0437\u044c \u0441 \u0438\u043d\u0446\u0438\u0434\u0435\u043d\u0442\u0430\u043c\u0438 \u0418\u0411": "\u0414\u0430",
  "\u0421\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u0430",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044f": "\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e\u0433\u043e \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044f",
  "\u0421\u043f\u043e\u0441\u043e\u0431 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438": "\u041c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430\u043c\u0438 \u0434\u0430\u043d\u043d\u044b\u0445",
  "\u0421\u0441\u044b\u043b\u043a\u0438 \u043d\u0430 \u0438\u0441\u0442\u043e\u0447\u043d\u0438\u043a\u0438": "https://kb.juniper.net/InfoCenter/index?page=content\u0026id=JSA10947\u0026cat=SIRT_1\u0026actp=LIST\nhttps://vuldb.com/?id.137744\nhttps://www.exploit-db.com/exploits/45982\nhttps://www.freebsd.org/security/advisories/FreeBSD-SA-19:12.telnet.asc\nhttps://\u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430.\u043d\u043f\u043f\u043a\u0442.\u0440\u0444/bin/view/\u041e\u0421\u043d\u043e\u0432\u0430/\u041e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f/2.5.1/",
  "\u0421\u0442\u0430\u0442\u0443\u0441 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u041f\u043e\u0434\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u0435\u043c",
  "\u0422\u0438\u043f \u041f\u041e": "\u041e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430",
  "\u0422\u0438\u043f \u043e\u0448\u0438\u0431\u043a\u0438 CWE": "CWE-119",
  "\u0423\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438": "\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 2.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,2)\n\u0412\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (\u0431\u0430\u0437\u043e\u0432\u0430\u044f \u043e\u0446\u0435\u043d\u043a\u0430 CVSS 3.0 \u0441\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 7,8)"
}

CVE-2019-0053 (GCVE-0-2019-0053)

Vulnerability from cvelistv5 – Published: 2019-07-11 19:40 – Updated: 2024-09-16 19:15

Title

Junos OS: Insufficient validation of environment variables in telnet client may lead to stack-based buffer overflow

Summary

Insufficient validation of environment variables in the telnet client supplied in Junos OS can lead to stack-based buffer overflows, which can be exploited to bypass veriexec restrictions on Junos OS. A stack-based overflow is present in the handling of environment variables when connecting via the telnet client to remote telnet servers. This issue only affects the telnet client — accessible from the CLI or shell — in Junos OS. Inbound telnet services are not affected by this issue. This issue affects: Juniper Networks Junos OS: 12.3 versions prior to 12.3R12-S13; 12.3X48 versions prior to 12.3X48-D80; 14.1X53 versions prior to 14.1X53-D130, 14.1X53-D49; 15.1 versions prior to 15.1F6-S12, 15.1R7-S4; 15.1X49 versions prior to 15.1X49-D170; 15.1X53 versions prior to 15.1X53-D237, 15.1X53-D496, 15.1X53-D591, 15.1X53-D69; 16.1 versions prior to 16.1R3-S11, 16.1R7-S4; 16.2 versions prior to 16.2R2-S9; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R1-S8, 17.2R2-S7, 17.2R3-S1; 17.3 versions prior to 17.3R3-S4; 17.4 versions prior to 17.4R1-S6, 17.4R2-S3, 17.4R3; 18.1 versions prior to 18.1R2-S4, 18.1R3-S3; 18.2 versions prior to 18.2R1-S5, 18.2R2-S2, 18.2R3; 18.2X75 versions prior to 18.2X75-D40; 18.3 versions prior to 18.3R1-S3, 18.3R2; 18.4 versions prior to 18.4R1-S2, 18.4R2.

Severity

7.8 (High)


                        
                          CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE

CWE-121 - Stack-based Buffer Overflow

Assigner

juniper mitre root

References

7 references

URL	Tags
https://kb.juniper.net/JSA10947
https://www.exploit-db.com/exploits/45982
https://security.FreeBSD.org/advisories/FreeBSD-S…	vendor-advisory
https://seclists.org/bugtraq/2019/Jul/45	mailing-list
http://packetstormsecurity.com/files/153746/FreeB…
https://lists.debian.org/debian-lts-announce/2022…	mailing-list
https://lists.debian.org/debian-lts-announce/2023…	mailing-list

Impacted products

1 product

Vendor	Product	Version
Juniper Networks	Junos OS	Affected: 12.3 versions prior to 12.3R12-S13 Affected: 12.3X48 versions prior to 12.3X48-D80 Affected: 14.1X53 versions prior to 14.1X53-D130 and 14.1X53-D49 Affected: 15.1 versions prior to 15.1F6-S12 and15.1R7-S4 Affected: 15.1X49 versions prior to 15.1X49-D170 Affected: 15.1X53 versions prior to 15.1X53-D237 and 15.1X53-D496 and 15.1X53-D591 and 15.1X53-D69 Affected: 16.1 versions prior to 16.1R3-S11 and 16.1R7-S4 Affected: 16.2 versions prior to 16.2R2-S9 Affected: 17.1 versions prior to 17.1R3 Affected: 17.2 versions prior to 17.2R1-S8 and 17.2R2-S7 and 17.2R3-S1 Affected: 17.3 versions prior to 17.3R3-S4 Affected: 17.4 versions prior to 17.4R1-S6 and 17.4R2-S3 and 17.4R3 Affected: 18.1 versions prior to 18.1R2-S4 and 18.1R3-S3 Affected: 18.2 versions prior to 18.2R1-S5 and 18.2R2-S2 and 18.2R3 Affected: 18.2X75 versions prior to 18.2X75-D40 Affected: 18.3 versions prior to 18.3R1-S3 and 18.3R2 Affected: 18.4 versions prior to 18.4R1-S2 and 18.4R2

Date Public

2019-07-10 00:00

Credits

Matthew Hickey, Hacker House (https://hacker.house/) who reported this issue on November 12, 2018.

Show details on NVD website

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  "containers": {
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          "dateUpdated": "2024-08-04T17:37:07.225Z",
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        "references": [
          {
            "tags": [
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            "url": "https://kb.juniper.net/JSA10947"
          },
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            "tags": [
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            "name": "20190724 FreeBSD Security Advisory FreeBSD-SA-19:12.telnet",
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            "url": "http://packetstormsecurity.com/files/153746/FreeBSD-Security-Advisory-FreeBSD-SA-19-12.telnet.html"
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          "vendor": "Juniper Networks",
          "versions": [
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              "version": "12.3 versions prior to 12.3R12-S13"
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            {
              "status": "affected",
              "version": "12.3X48 versions prior to 12.3X48-D80"
            },
            {
              "status": "affected",
              "version": "14.1X53 versions prior to 14.1X53-D130 and 14.1X53-D49"
            },
            {
              "status": "affected",
              "version": "15.1 versions prior to 15.1F6-S12 and15.1R7-S4"
            },
            {
              "status": "affected",
              "version": "15.1X49 versions prior to 15.1X49-D170"
            },
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              "version": "15.1X53 versions prior to 15.1X53-D237 and 15.1X53-D496 and 15.1X53-D591 and 15.1X53-D69"
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            {
              "status": "affected",
              "version": "16.1 versions prior to 16.1R3-S11 and 16.1R7-S4"
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              "version": "16.2 versions prior to 16.2R2-S9"
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              "status": "affected",
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              "status": "affected",
              "version": "18.1 versions prior to 18.1R2-S4 and 18.1R3-S3"
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      "credits": [
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          "lang": "en",
          "value": "Matthew Hickey, Hacker House (https://hacker.house/) who reported this issue on November 12, 2018."
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      "datePublic": "2019-07-10T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Insufficient validation of environment variables in the telnet client supplied in Junos OS can lead to stack-based buffer overflows, which can be exploited to bypass veriexec restrictions on Junos OS. A stack-based overflow is present in the handling of environment variables when connecting via the telnet client to remote telnet servers. This issue only affects the telnet client \u2014 accessible from the CLI or shell \u2014 in Junos OS. Inbound telnet services are not affected by this issue. This issue affects: Juniper Networks Junos OS: 12.3 versions prior to 12.3R12-S13; 12.3X48 versions prior to 12.3X48-D80; 14.1X53 versions prior to 14.1X53-D130, 14.1X53-D49; 15.1 versions prior to 15.1F6-S12, 15.1R7-S4; 15.1X49 versions prior to 15.1X49-D170; 15.1X53 versions prior to 15.1X53-D237, 15.1X53-D496, 15.1X53-D591, 15.1X53-D69; 16.1 versions prior to 16.1R3-S11, 16.1R7-S4; 16.2 versions prior to 16.2R2-S9; 17.1 versions prior to 17.1R3; 17.2 versions prior to 17.2R1-S8, 17.2R2-S7, 17.2R3-S1; 17.3 versions prior to 17.3R3-S4; 17.4 versions prior to 17.4R1-S6, 17.4R2-S3, 17.4R3; 18.1 versions prior to 18.1R2-S4, 18.1R3-S3; 18.2 versions prior to 18.2R1-S5, 18.2R2-S2, 18.2R3; 18.2X75 versions prior to 18.2X75-D40; 18.3 versions prior to 18.3R1-S3, 18.3R2; 18.4 versions prior to 18.4R1-S2, 18.4R2."
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      ],
      "exploits": [
        {
          "lang": "en",
          "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability."
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            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.0"
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          "name": "[debian-lts-announce] 20221125 [SECURITY] [DLA 3205-1] inetutils security update",
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      ],
      "solutions": [
        {
          "lang": "en",
          "value": "The following software releases have been updated to resolve this specific issue: 12.3R12-S13, 12.3X48-D80, 12.3X48-D85, 14.1X53-D130, 14.1X53-D49, 15.1F6-S12, 15.1R7-S4, 15.1X49-D170, 15.1X53-D237, 15.1X53-D496, 15.1X53-D591, 15.1X53-D69, 16.1R3-S11, 16.1R7-S4, 16.2R2-S9, 17.1R3, 17.2R1-S8, 17.2R2-S7, 17.2R3-S1, 17.3R3-S4, 17.4R1-S6, 17.4R2-S3, 17.4R3, 18.1R2-S4, 18.1R3-S3, 18.2R1-S5, 18.2R2-S2, 18.2R3, 18.2X75-D40, 18.3R1-S3, 18.3R2, 18.4R1-S2, 18.4R2, 19.1R1, and all subsequent releases."
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        "advisory": "JSA10947",
        "defect": [
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        "discovery": "EXTERNAL"
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      "title": "Junos OS: Insufficient validation of environment variables in telnet client may lead to stack-based buffer overflow",
      "workarounds": [
        {
          "lang": "en",
          "value": "Since this issue is specific to outbound connections to a malicious host from the local telnet client, mitigation includes:\n* limit access to the Junos CLI and shell from only from trusted administrators\n* block outbound telnet connections\n* deny access to the telnet command and shell per user or user class"
        }
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    "assignerShortName": "juniper",
    "cveId": "CVE-2019-0053",
    "datePublished": "2019-07-11T19:40:52.382Z",
    "dateReserved": "2018-10-11T00:00:00.000Z",
    "dateUpdated": "2024-09-16T19:15:29.698Z",
    "state": "PUBLISHED"
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}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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