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amazonAmazonALAS-2020-1381
HistoryJun 23, 2020 - 5:59 a.m.

Medium: json-c

2020-06-2305:59:00
alas.aws.amazon.com
18

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

43.7%

JSON

Issue Overview:

json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend. (CVE-2020-12762)

Affected Packages:

json-c

Issue Correction:
Run yum update json-c to update your system.

New Packages:

i686:  
    json-c-debuginfo-0.11-7.8.amzn1.i686  
    json-c-0.11-7.8.amzn1.i686  
    json-c-devel-0.11-7.8.amzn1.i686  
  
noarch:  
    json-c-doc-0.11-7.8.amzn1.noarch  
  
src:  
    json-c-0.11-7.8.amzn1.src  
  
x86_64:  
    json-c-debuginfo-0.11-7.8.amzn1.x86_64  
    json-c-0.11-7.8.amzn1.x86_64  
    json-c-devel-0.11-7.8.amzn1.x86_64

Additional References

Red Hat: CVE-2020-12762

Mitre: CVE-2020-12762

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ics
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Siemens SINEC INS
2022-09-15 12:00:00
Siemens SIMATIC S7-1500 CPU 1518(F)-4 PN/DP MFP V3.1
2023-12-14 12:00:00

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

43.7%

JSON
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