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MitreCVE-2019-13617

HistoryJul 16, 2019 - 5:15 p.m.

CVE-2019-13617

2019-07-1617:15:12

CWE-125

mitre

web.nvd.nist.gov

122

cve-2019-13617

nvd

nginx

security

heap-based buffer over-read

error handling

njs_regexp_literal

njs_parser_lexer_error

njs_parser_scope_error

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

41.0%

JSON

njs through 0.3.3, used in NGINX, has a heap-based buffer over-read in nxt_vsprintf in nxt/nxt_sprintf.c during error handling, as demonstrated by an njs_regexp_literal call that leads to an njs_parser_lexer_error call and then an njs_parser_scope_error call.

Affected configurations

Nvd

Node

f5njsRange≤0.3.3

VendorProductVersionCPE
f5njs*cpe:2.3:a:f5:njs:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
f5	njs	*	cpe:2.3:a:f5:njs::::::::

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=15093

github.com/nginx/njs/issues/174

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

41.0%

JSON

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