Veracode Vulnerability DatabaseVERACODE:21792Denial Of Service (DoS)
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P
Aspell is vulnerable to denial of service attack. The attack exists because the acommon::unescape function in common/getdata.cpp does not properly handle the \\ character, leading to a stack- based buffer overflow when src data contains the character.
| CPE | Name | Operator | Version |
|---|---|---|---|
| aspell | eq | 0.60.6.1 | |
| libaspell.so | eq | 15.1.5 | |
| aspell:3.7 | eq | 0.60.6.1-r12 | |
| aspell:stretch | eq | 0.60.7~20110707-3+b2 |
References
bugs.chromium.org/p/oss-fuzz/issues/detail?id=16109
github.com/coapp-packages/aspell/blob/d50cd451286c1c466f05cfb4c53d39bcfcbd07e5/common/getdata.cpp#L67
github.com/GNUAspell/aspell/commit/80fa26c74279fced8d778351cff19d1d8f44fe4e
github.com/GNUAspell/aspell/compare/rel-0.60.7...rel-0.60.8
lists.debian.org/debian-lts-announce/2019/10/msg00027.html
lists.debian.org/debian-lts-announce/2021/07/msg00021.html
usn.ubuntu.com/4155-1/
usn.ubuntu.com/4155-2/
www.debian.org/security/2021/dsa-4948
Related
9.1 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
6.4 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:N/A:P