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ubuntucveUbuntu.comUB:CVE-2017-12837
HistorySep 19, 2017 - 12:00 a.m.

CVE-2017-12837

2017-09-1900:00:00
ubuntu.com
ubuntu.com
7

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.019 Low

EPSS

Percentile

88.1%

Heap-based buffer overflow in the S_regatom function in regcomp.c in Perl 5
before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to
cause a denial of service (out-of-bounds write) via a regular expression
with a ‘\N{}’ escape and the case-insensitive modifier.

Bugs

Notes

Author Note
leosilva portion of affected code is quite different in precise, needs triage could not reproduce in precise.
OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchperl< 5.18.2-2ubuntu1.3UNKNOWN
ubuntu16.04noarchperl< 5.22.1-9ubuntu0.2UNKNOWN
ubuntu17.04noarchperl< 5.24.1-2ubuntu1.1UNKNOWN

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.019 Low

EPSS

Percentile

88.1%

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