CVE-2023-28979 — Improper Check for Unusual or Exceptional Conditions in Networks Junos OS

CWE-754 — Improper Check for Unusual or Exceptional Conditions4 documents4 sources

Severity

4.7MEDIUMNVD

EPSS

0.0%

top 94.15%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Juniper Networks Junos OS Juniper Junos

Timeline

PublishedApr 17

Latest updateApr 18

Description

An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Networks Junos OS allows an adjacent unauthenticated attacker to bypass an integrity check. In a 6PE scenario and if an additional integrity check is configured, it will fail to drop specific malformed IPv6 packets, and then these packets will be forwarded to other connected networks. This issue affects Juniper Networks Junos OS: All versions prior to 19.3R3-S7; 19.4 versions prior to 19.4R3-S9; 20.2 v…

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages2 packages

▶CVEListV5juniper_networks/junos_osunspecified — 19.3R3-S7+10

▶NVDjuniper/junos< 19.3+11

🔴Vulnerability Details

GHSA

GHSA-6p7r-3f3w-fj8c: An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Networks Junos OS allows an adjacent unauthenticated at↗2023-04-18

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CVEList

Junos OS: In a 6PE scenario upon receipt of a specific IPv6 packet an integrity check fails↗2023-04-17

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📋Vendor Advisories

Juniper

CVE-2023-28979: An Improper Check for Unusual or Exceptional Conditions vulnerability in the kernel of Juniper Networks Junos OS allows an adjacent unauthenticated at↗2023-04-17

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