CVE-2020-1680 (GCVE-0-2020-1680)

Vulnerability from cvelistv5 – Published: 2020-10-16 20:31 – Updated: 2024-09-17 00:55
VLAI?
Title
Junos OS: MX Series: MS-MPC/MIC might crash when processing malformed IPv6 packet in NAT64 configuration.
Summary
On Juniper Networks MX Series with MS-MIC or MS-MPC card configured with NAT64 configuration, receipt of a malformed IPv6 packet may crash the MS-PIC component on MS-MIC or MS-MPC. This issue occurs when a multiservice card is translating the malformed IPv6 packet to IPv4 packet. An unauthenticated attacker can continuously send crafted IPv6 packets through the device causing repetitive MS-PIC process crashes, resulting in an extended Denial of Service condition. This issue affects Juniper Networks Junos OS on MX Series: 15.1 versions prior to 15.1R7-S7; 15.1X53 versions prior to 15.1X53-D593; 16.1 versions prior to 16.1R7-S8; 17.2 versions prior to 17.2R3-S4; 17.3 versions prior to 17.3R3-S6; 17.4 versions prior to 17.4R2-S11, 17.4R3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.2X75 versions prior to 18.2X75-D41, 18.2X75-D430, 18.2X75-D53, 18.2X75-D65; 18.3 versions prior to 18.3R2-S4, 18.3R3; 18.4 versions prior to 18.4R2-S5, 18.4R3; 19.1 versions prior to 19.1R2; 19.2 versions prior to 19.2R1-S5, 19.2R2; 19.3 versions prior to 19.3R2.
Severity ?
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
  • CWE-131 - Incorrect Calculation of Buffer Size
Assigner
References
https://kb.juniper.net/JSA11077 x_refsource_CONFIRM
Impacted products
Vendor Product Version
Juniper Networks Junos OS Affected: 15.1 , < 15.1R7-S7 (custom)
Affected: 15.1X53 , < 15.1X53-D593 (custom)
Affected: 16.1 , < 16.1R7-S8 (custom)
Affected: 17.2 , < 17.2R3-S4 (custom)
Affected: 17.3 , < 17.3R3-S6 (custom)
Affected: 17.4 , < 17.4R2-S11, 17.4R3 (custom)
Affected: 18.1 , < 18.1R3-S11 (custom)
Affected: 18.2 , < 18.2R3-S6 (custom)
Affected: 18.2X75 , < 18.2X75-D41, 18.2X75-D430, 18.2X75-D53, 18.2X75-D65 (custom)
Affected: 18.3 , < 18.3R2-S4, 18.3R3 (custom)
Affected: 18.4 , < 18.4R2-S5, 18.4R3 (custom)
Affected: 19.1 , < 19.1R2 (custom)
Affected: 19.2 , < 19.2R1-S5, 19.2R2 (custom)
Affected: 19.3 , < 19.3R2 (custom)
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Sightings

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  • 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.
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  • 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.



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