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Juniper Networks fixes Junos OS flaws

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4 vital safety vulnerabilities impacting all Juniper Networks Junos OS variations on SRX and EX Sequence, which may very well be chained to facilitate distant code execution, have been addressed in an “out-of-cycle” replace, The Hacker Information stories.

Included within the mounted flaws, which have been recognized inside the working system’s J-Net element, are PHP exterior variable modification bugs, tracked as CVE-2023-36844 and CVE-2023-36845, which may very well be leveraged to allow the takeover of specific surroundings variables by unauthenticated network-based attackers, in addition to lacking authentication for vital operate flaws, tracked as CVE-2023-36846 and CVE-2023-36847, which may very well be exploited to permit restricted file system integrity influence.

Profitable exploitation requires alteration of sure PHP surroundings variables or arbitrary file uploads by J-Net, in line with Juniper Networks, which urged the instant utility of the replace.

Organizations leveraging weak OS situations have additionally been suggested to limit entry or disable J-Net as workarounds to mitigate doable RCE assaults.

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