CVE-2021-30499

2021-05-2700:00:00

ubuntu.com

libcaca

buffer overflow

export_troff

memory corruption

CVSS2

6.8

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

CVSS3

7.8

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.002

Percentile

52.1%

JSON

A flaw was found in libcaca. A buffer overflow of export.c in function
export_troff might lead to memory corruption and other potential
consequences.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibcaca< 0.99.beta19-2ubuntu0.18.04.3UNKNOWN
ubuntu20.04noarchlibcaca< 0.99.beta19-2.1ubuntu1.20.04.2UNKNOWN
ubuntu21.04noarchlibcaca< 0.99.beta19-2.2ubuntu1.1UNKNOWN
ubuntu21.10noarchlibcaca< 0.99.beta19-2.2ubuntu2.1UNKNOWN
ubuntu22.04noarchlibcaca< 0.99.beta19-2.2ubuntu3UNKNOWN
ubuntu14.04noarchlibcaca< 0.99.beta18-1ubuntu5.1+esm2UNKNOWN
ubuntu16.04noarchlibcaca< 0.99.beta19-2ubuntu0.16.04.2+esm1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	libcaca	< 0.99.beta19-2ubuntu0.18.04.3	UNKNOWN
ubuntu	20.04	noarch	libcaca	< 0.99.beta19-2.1ubuntu1.20.04.2	UNKNOWN
ubuntu	21.04	noarch	libcaca	< 0.99.beta19-2.2ubuntu1.1	UNKNOWN
ubuntu	21.10	noarch	libcaca	< 0.99.beta19-2.2ubuntu2.1	UNKNOWN
ubuntu	22.04	noarch	libcaca	< 0.99.beta19-2.2ubuntu3	UNKNOWN
ubuntu	14.04	noarch	libcaca	< 0.99.beta18-1ubuntu5.1+esm2	UNKNOWN
ubuntu	16.04	noarch	libcaca	< 0.99.beta19-2ubuntu0.16.04.2+esm1	UNKNOWN