CVE-2018-13346

Description

The mpatch_apply function in mpatch.c in Mercurial before 4.6.1 incorrectly proceeds in cases where the fragment start is past the end of the original data, aka OVE-20180430-0004.

CvssV3 impact

BaseSeverity

HIGH

ConfidentialityImpact

NONE

AttackComplexity

LOW

Scope

UNCHANGED

AttackVector

NETWORK

AvailabilityImpact

NONE

IntegrityImpact

HIGH

PrivilegesRequired

NONE

BaseScore

7.5

VectorString

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

Version

3.0

UserInteraction

NONE

CvssV2 impact

Version

2.0

VectorString

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

AccessVector

NETWORK

AccessComplexity

LOW

Authentication

NONE

ConfidentialityImpact

NONE

IntegrityImpact

PARTIAL

AvailabilityImpact

NONE

BaseScore

5