CVE-2020-13987 — Out-of-bounds Read in Siemens Sentron 3VA Com100 Firmware

CWE-125 — Out-of-bounds ReadCWE-805 — Buffer Access with Incorrect Length Value10 documents8 sources
Severity
7.5HIGHNVD
EPSS
0.2%
top 59.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Open-iscsi Project Open-iscsiSiemens Sentron 3VA Com100 FirmwareSiemens Sentron 3VA Com800 Firmware+4 more
Timeline
PublishedDec 11
Latest updateJul 27

Description

An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerability exists in the uIP TCP/IP Stack component when calculating the checksums for IP packets in upper_layer_chksum in net/ipv4/uip.c.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages9 packages

▶debiandebian/open-iscsi< open-iscsi 2.1.3-1 (bookworm)

Patches

Patch: cert-portal.siemens.com ↗Patch: cert-portal.siemens.com ↗

🔴Vulnerability Details

3
OSV
open-iscsi vulnerabilities↗2023-07-27
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GHSA
GHSA-g438-vfc9-cq65: An issue was discovered in Contiki through 3↗2022-05-24
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OSV
CVE-2020-13987: An issue was discovered in Contiki through 3↗2020-12-11
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📋Vendor Advisories

5
Ubuntu
Open-iSCSI vulnerabilities↗2023-07-27
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CISA ICS
Siemens TCP/IP Stack Vulnerabilities–AMNESIA:33 in SENTRON PAC / 3VA Devices (Update C)↗2021-08-10
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CISA ICS
Multiple Embedded TCP/IP Stacks↗2020-12-09
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Red Hat
Open-iSCSI: OOB read in checksum calculation in uIP↗2020-12-09
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Debian
CVE-2020-13987: open-iscsi - An issue was discovered in Contiki through 3.0. An Out-of-Bounds Read vulnerabil...↗2020
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🕵️Threat Intelligence

1
Tenable
AMNESIA:33: Researchers Disclose 33 Vulnerabilities Across Four Open Source TCP/IP Libraries↗2020-12-09
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