Multiple vulnerabilities in SIR gnuboard5



Published: 2019-03-25 | Updated: 2020-07-17
Risk Low
Patch available YES
Number of vulnerabilities 6
CVE-ID CVE-2018-15580
CVE-2018-15581
CVE-2018-15582
CVE-2018-15584
CVE-2018-15585
CVE-2018-15583
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		gnuboard5
Web applications / Forum & blogging software

Vendor SIR

Security Bulletin

This security bulletin contains information about 6 vulnerabilities.

1) Cross-site scripting

EUVDB-ID: #VU31084

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-15580

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in adm/contentformupdate.php in gnuboard5 before 5.3.1.6. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update to version 5.3.1.6.

Vulnerable software versions

gnuboard5: 5.3.1.2 - 5.3.1.4

External links

http://github.com/gnuboard/gnuboard5/commit/b1fc952c7600b825c4b02e2789ddafdea18c8d13#diff-4182a3e8b74f6eb325c45862f8f26e76


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Cross-site scripting

EUVDB-ID: #VU31085

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-15581

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in adm/faqmasterformupdate.php in gnuboard5 before 5.3.1.6. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update to version 5.3.1.6.

Vulnerable software versions

gnuboard5: 5.3.1.2 - 5.3.1.4

External links

http://github.com/gnuboard/gnuboard5/commit/b1fc952c7600b825c4b02e2789ddafdea18c8d13#diff-4280d95d6643b5d9673962736ada210b


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Cross-site scripting

EUVDB-ID: #VU31086

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-15582

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in adm/sms_admin/num_book_write.php and adm/sms_admin/num_book_update.php in gnuboard5 before 5.3.1.6. A remote authenticated attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update to version 5.3.1.6.

Vulnerable software versions

gnuboard5: 5.3.1.2 - 5.3.1.4

External links

http://github.com/gnuboard/gnuboard5/commit/b1fc952c7600b825c4b02e2789ddafdea18c8d13#diff-72e9a967d5cebb96734e6f6984091e66
http://github.com/gnuboard/gnuboard5/commit/b1fc952c7600b825c4b02e2789ddafdea18c8d13#diff-737f14a5f5bdad53c5ce9b3ec628bf6d


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Cross-site scripting

EUVDB-ID: #VU31087

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-15584

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in adm/boardgroup_form_update.php and adm/boardgroup_list_update.php in gnuboard5 before 5.3.1.6. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update to version 5.3.1.6.

Vulnerable software versions

gnuboard5: 5.3.1.2 - 5.3.1.4

External links

http://github.com/gnuboard/gnuboard5/commit/b1fc952c7600b825c4b02e2789ddafdea18c8d13#diff-0e9aa589be0cec73df5f154aa40f5b06
http://github.com/gnuboard/gnuboard5/commit/b1fc952c7600b825c4b02e2789ddafdea18c8d13#diff-22d0b3c0987a60483473990fc07f1886


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Cross-site scripting

EUVDB-ID: #VU31138

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-15585

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in newwinform.php in GNUBOARD5 before 5.3.1.6 when processing popup title parameter. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update to version 5.3.1.6.

Vulnerable software versions

gnuboard5: 5.3.1.2 - 5.3.1.4

External links

http://github.com/gnuboard/gnuboard5/blob/b1fc952c7600b825c4b02e2789ddafdea18c8d13/adm/newwinform.php
http://github.com/gnuboard/gnuboard5/blob/b1fc952c7600b825c4b02e2789ddafdea18c8d13/adm/newwinformupdate.php
http://github.com/gnuboard/gnuboard5/commit/b1fc952c7600b825c4b02e2789ddafdea18c8d13


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Cross-site scripting

EUVDB-ID: #VU31141

Risk: Low

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2018-15583

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in point_list.php in GNUBOARD5 before 5.3.1.6 when processing popup title parameter. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update to version 5.3.1.6.

Vulnerable software versions

gnuboard5: 5.3.1.2 - 5.3.1.4

External links

http://github.com/gnuboard/gnuboard5/commit/b1fc952c7600b825c4b02e2789ddafdea18c8d13#diff-6e31fc60ba119c0f830f8a22fe1925dc
http://github.com/gnuboard/gnuboard5/commits/master?after=831219e2c233b2d721a049b7aeb054936d000dc2+69


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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