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Computer vulnerabilities of Siemens SIMATIC

vulnerability bulletin CVE-2018-20784

Linux kernel: infinite loop via update_blocked_averages

Synthesis of the vulnerability

An attacker can trigger an infinite loop via update_blocked_averages() of the Linux kernel, in order to trigger a denial of service.
Impacted products: Linux, SIMATIC.
Severity: 1/4.
Consequences: denial of service on server, denial of service on service.
Provenance: user shell.
Creation date: 25/02/2019.
Identifiers: CVE-2018-20784, SSB-439005, VIGILANCE-VUL-28593.

Description of the vulnerability

An attacker can trigger an infinite loop via update_blocked_averages() of the Linux kernel, in order to trigger a denial of service.
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computer vulnerability announce CVE-2018-16561

SIMATIC S7-300: denial of service via S7 Packets

Synthesis of the vulnerability

An attacker can trigger a fatal error via S7 Packets of SIMATIC S7-300, in order to trigger a denial of service.
Impacted products: SIMATIC.
Severity: 2/4.
Consequences: denial of service on server, denial of service on service.
Provenance: intranet client.
Creation date: 09/01/2019.
Identifiers: CERTFR-2019-AVI-004, CVE-2018-16561, SSA-306710, VIGILANCE-VUL-28197.

Description of the vulnerability

An attacker can trigger a fatal error via S7 Packets of SIMATIC S7-300, in order to trigger a denial of service.
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computer vulnerability alert CVE-2018-19932

libbfd: infinite loop via IS_CONTAINED_BY_LMA

Synthesis of the vulnerability

An attacker can trigger an infinite loop via IS_CONTAINED_BY_LMA of libbfd, in order to trigger a denial of service.
Impacted products: SIMATIC.
Severity: 2/4.
Consequences: denial of service on service, denial of service on client.
Provenance: document.
Creation date: 09/01/2019.
Identifiers: CVE-2018-19932, SSB-439005, VIGILANCE-VUL-28196.

Description of the vulnerability

An attacker can trigger an infinite loop via IS_CONTAINED_BY_LMA of libbfd, in order to trigger a denial of service.
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computer vulnerability CVE-2018-19931

libbfd: buffer overflow via bfd_elf32_swap_phdr_in

Synthesis of the vulnerability

An attacker can trigger a buffer overflow via bfd_elf32_swap_phdr_in() of libbfd, in order to trigger a denial of service, and possibly to run code.
Impacted products: SIMATIC.
Severity: 2/4.
Consequences: user access/rights, denial of service on service, denial of service on client.
Provenance: document.
Creation date: 09/01/2019.
Identifiers: CVE-2018-19931, SSB-439005, VIGILANCE-VUL-28195.

Description of the vulnerability

An attacker can trigger a buffer overflow via bfd_elf32_swap_phdr_in() of libbfd, in order to trigger a denial of service, and possibly to run code.
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vulnerability alert CVE-2018-19591

glibc: descriptor leak via getaddrinfo

Synthesis of the vulnerability

An attacker can create a descriptor leak via getaddrinfo() of glibc, in order to trigger a denial of service.
Impacted products: Fedora, SIMATIC.
Severity: 2/4.
Consequences: denial of service on service, denial of service on client.
Provenance: internet client.
Creation date: 30/11/2018.
Identifiers: CVE-2018-19591, FEDORA-2018-060302dc83, FEDORA-2018-f6b7df660d, SSB-439005, VIGILANCE-VUL-27921.

Description of the vulnerability

An attacker can create a descriptor leak via getaddrinfo() of glibc, in order to trigger a denial of service.
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vulnerability announce CVE-2018-16862

Linux kernel: file reading via Deleted Files In Cleancache

Synthesis of the vulnerability

A local attacker can read a file via Deleted Files In Cleancache of the Linux kernel, in order to obtain sensitive information.
Impacted products: Debian, Fedora, Linux, openSUSE Leap, SIMATIC, Slackware, SUSE Linux Enterprise Desktop, SLES, Ubuntu.
Severity: 2/4.
Consequences: data reading.
Provenance: user shell.
Creation date: 23/11/2018.
Identifiers: CERTFR-2019-AVI-038, CERTFR-2019-AVI-042, CERTFR-2019-AVI-044, CERTFR-2019-AVI-051, CERTFR-2019-AVI-071, CVE-2018-16862, DLA-1715-1, FEDORA-2018-3857a8b41a, FEDORA-2018-87ba0312c2, openSUSE-SU-2019:0065-1, openSUSE-SU-2019:0140-1, SSA:2019-030-01, SSB-439005, SUSE-SU-2019:0148-1, SUSE-SU-2019:0196-1, SUSE-SU-2019:0222-1, SUSE-SU-2019:0224-1, SUSE-SU-2019:0320-1, SUSE-SU-2019:0439-1, SUSE-SU-2019:0541-1, USN-3879-1, USN-3879-2, VIGILANCE-VUL-27872.

Description of the vulnerability

A local attacker can read a file via Deleted Files In Cleancache of the Linux kernel, in order to obtain sensitive information.
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computer vulnerability bulletin CVE-2018-13814

Siemens SIMATIC HMI/WinCC: privilege escalation via HTTP Header Injection

Synthesis of the vulnerability

An attacker can bypass restrictions via HTTP Header Injection of Siemens SIMATIC HMI/WinCC, in order to escalate his privileges.
Impacted products: SIMATIC.
Severity: 2/4.
Consequences: data creation/edition.
Provenance: intranet client.
Creation date: 14/11/2018.
Identifiers: CERTFR-2018-AVI-543, CVE-2018-13814, SSA-944083, VIGILANCE-VUL-27788.

Description of the vulnerability

An attacker can bypass restrictions via HTTP Header Injection of Siemens SIMATIC HMI/WinCC, in order to escalate his privileges.
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computer vulnerability alert CVE-2018-13811

Siemens SIMATIC STEP7: information disclosure via Weak Password Hashes

Synthesis of the vulnerability

An attacker can bypass access restrictions to data via Weak Password Hashes of Siemens SIMATIC STEP7, in order to obtain sensitive information.
Impacted products: SIMATIC.
Severity: 1/4.
Consequences: data reading.
Provenance: user shell.
Creation date: 14/11/2018.
Identifiers: CERTFR-2018-AVI-543, CVE-2018-13811, SSA-621493, VIGILANCE-VUL-27786.

Description of the vulnerability

An attacker can bypass access restrictions to data via Weak Password Hashes of Siemens SIMATIC STEP7, in order to obtain sensitive information.
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computer vulnerability CVE-2018-13815

Siemens SIMATIC S7-1200/S7-1500: denial of service via Pool Exhaustion

Synthesis of the vulnerability

An attacker can generate a fatal error via Pool Exhaustion of Siemens SIMATIC S7-1200/S7-1500, in order to trigger a denial of service.
Impacted products: SIMATIC.
Severity: 2/4.
Consequences: denial of service on server, denial of service on service.
Provenance: intranet client.
Creation date: 14/11/2018.
Identifiers: CERTFR-2018-AVI-543, CVE-2018-13815, SSA-584286, VIGILANCE-VUL-27785.

Description of the vulnerability

An attacker can generate a fatal error via Pool Exhaustion of Siemens SIMATIC S7-1200/S7-1500, in order to trigger a denial of service.
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vulnerability note CVE-2018-13812 CVE-2018-13813

Siemens SIMATIC HMI/WinCC: multiple vulnerabilities via Web Panels

Synthesis of the vulnerability

An attacker can use several vulnerabilities via Web Panels of Siemens SIMATIC HMI/WinCC.
Impacted products: SIMATIC.
Severity: 2/4.
Consequences: data reading.
Provenance: intranet client.
Number of vulnerabilities in this bulletin: 2.
Creation date: 14/11/2018.
Identifiers: CERTFR-2018-AVI-543, CVE-2018-13812, CVE-2018-13813, SSA-233109, VIGILANCE-VUL-27784.

Description of the vulnerability

An attacker can use several vulnerabilities via Web Panels of Siemens SIMATIC HMI/WinCC.
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