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ubuntucveUbuntu.comUB:CVE-2019-6291
HistoryJan 15, 2019 - 12:00 a.m.

CVE-2019-6291

2019-01-1500:00:00
ubuntu.com
ubuntu.com
3

4.3 Medium

CVSS2

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

33.6%

An issue was discovered in the function expr6 in eval.c in Netwide
Assembler (NASM) through 2.14.02. There is a stack exhaustion problem
caused by the expr6 function making recursive calls to itself in certain
scenarios involving lots of ‘!’ or ‘+’ or ‘-’ characters. Remote attackers
could leverage this vulnerability to cause a denial-of-service via a
crafted asm file.

Bugs

Notes

Author Note
mdeslaur no fix as of 2019-04-25

4.3 Medium

CVSS2

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

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.001 Low

EPSS

Percentile

33.6%