ICSA-21-068-10

icsaUScisa_csaf_ot

Siemens SCALANCE and SIMATIC libcurl (Update B)

Advisory ansehen veröffentlicht 2019-04-09

As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.

01

beschreibt (5)

Zugehörige CVEs.

IDSchweregrad ausnutzbar
CVE-2019-6570UShigh8.8OT erhöht—
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V2.0). Due to insufficient checking of user permissions, an attacker may access URLs that requir…
CVE-2019-3823UShigh7.5—
libcurl versions from 7.34.0 to before 7.64.0 are vulnerable to a heap out-of-bounds read in the code handling the end-of-response for SMTP. If the buffer passed to `smtp_endofresp…
CVE-2019-3822UScritical9.8—
libcurl versions from 7.36.0 to before 7.64.0 are vulnerable to a stack-based buffer overflow. The function creating an outgoing NTLM type-3 header (`lib/vauth/ntlm.c:Curl_auth_cre…
CVE-2018-16890UShigh7.5Exploit
libcurl versions from 7.36.0 to before 7.64.0 is vulnerable to a heap buffer out-of-bounds read. The function handling incoming NTLM type-2 messages (`lib/vauth/ntlm.c:ntlm_decode_…
CVE-2018-14618UScritical9.8—
curl before version 7.61.1 is vulnerable to a buffer overrun in the NTLM authentication code. The internal function Curl_ntlm_core_mk_nt_hash multiplies the length of the password…
02

Referenzen

Externe Belege — Patches, Meldungen, Analysen.

03

Behebungen (8)

  • MitigationSINEMA Remote Connect Client

    Turn off NTLM authentication to mitigate CVE-2018-16890

  • MitigationSINEMA Remote Connect Client

    Turn off NTLM authentication to mitigate CVE-2019-3822

  • MitigationSINEMA Remote Connect Client

    Turn off SMTP to mitigate CVE-2019-3823

  • BehobenSINEMA Remote Connect Client

    Update to V2.0 HF1

  • BehobenSINEMA Remote Connect Client

    Update to V2.0 HF1

  • BehobenSINEMA Remote Connect Client

    Update to V2.0 HF1

  • BehobenSINEMA Remote Connect Client

    Update to V2.0 HF1

  • BehobenSINEMA Remote Connect Server

    Update to V2.0

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