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Ubuntu.comUB:CVE-2021-27211

HistoryFeb 15, 2021 - 12:00 a.m.

CVE-2021-27211

2021-02-1500:00:00

ubuntu.com

steghide 0.5.1

weak seed value

detect hidden data

unix

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.004

Percentile

75.1%

JSON

steghide 0.5.1 relies on a certain 32-bit seed value, which makes it easier
for attackers to detect hidden data.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchsteghide< anyUNKNOWN
ubuntu20.04noarchsteghide< anyUNKNOWN
ubuntu22.04noarchsteghide< anyUNKNOWN
ubuntu24.04noarchsteghide< anyUNKNOWN
ubuntu16.04noarchsteghide< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	steghide	< any	UNKNOWN
ubuntu	20.04	noarch	steghide	< any	UNKNOWN
ubuntu	22.04	noarch	steghide	< any	UNKNOWN
ubuntu	24.04	noarch	steghide	< any	UNKNOWN
ubuntu	16.04	noarch	steghide	< any	UNKNOWN

References

github.com/b4shfire/stegcrack

github.com/StefanoDeVuono/steghide

launchpad.net/bugs/cve/CVE-2021-27211

nvd.nist.gov/vuln/detail/CVE-2021-27211

security-tracker.debian.org/tracker/CVE-2021-27211

sourceforge.net/projects/steghide/files/steghide/0.5.1/

www.cve.org/CVERecord?id=CVE-2021-27211

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.004

Percentile

75.1%

JSON

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