Buffer Overflow

2019-07-1601:22:58

Veracode Vulnerability Database

sca.analysiscenter.veracode.com

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

4.3 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

JSON

libmspack is vulnerable to buffer overflow. The function chmd_read_headers in ibmspack/mspack/chmd.c does not handle the CHM file name properly, allowing an attacker to read past the allocated buffer if a malicious file starting with :: and length shorter than 33 bytes is provided.

CPENameOperatorVersion
libmspackeq0.1.0
libmspack.soeq0.1.0
libmspackeq0.5__0.6.alpha.el7
libmspackeq0.5__0.0.6.alpha.el7
libmspackeq0.7__0.1.alpha.el8.3
libmspackeq0.5__0.0.7.alpha.el7
libmspackeq0.5__0.7.alpha.el7
libmspack:3.10eq0.8_alpha-r0
libmspack:edgeeq0.8_alpha-r1
libmspackeq0.1.0

Name	Operator	Version
libmspack	eq	0.1.0
libmspack.so	eq	0.1.0
libmspack	eq	0.5__0.6.alpha.el7
libmspack	eq	0.5__0.0.6.alpha.el7
libmspack	eq	0.7__0.1.alpha.el8.3
libmspack	eq	0.5__0.0.7.alpha.el7
libmspack	eq	0.5__0.7.alpha.el7
libmspack:3.10	eq	0.8_alpha-r0
libmspack:edge	eq	0.8_alpha-r1
libmspack	eq	0.1.0