SUSE CVE-2022-21688

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. Affected versions of the desktop application were found to be vulnerable to denial of service via an undisclosed vulnerability in the QT image parsing...

SUSE CVE-2022-21692

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. In affected versions anyone with access to the chat environment can write messages disguised as another chat participant...

SUSE CVE-2022-21690

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. In affected versions The path parameter of the requested URL is not sanitized before being passed to the QT frontend. This path is used in all componen...

SUSE CVE-2022-21693

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. In affected versions an adversary with a primitive that allows for filesystem access from the context of the Onionshare process can access sensitive...

SUSE CVE-2022-21691

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. In affected versions chat participants can spoof their channel leave message, tricking others into assuming they left the chatroom...

SUSE CVE-2022-21695

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. In affected versions authenticated users or unauthenticated in public mode can send messages without being visible in the list of chat participants. Th...

SUSE CVE-2022-21694

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. The website mode of the onionshare allows to use a hardened CSP, which will block any scripts and external resources. It is not possible to configure...

SUSE CVE-2022-21696

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. In affected versions it is possible to change the username to that of another chat participant with an additional space character at the end of the nam...

Information Disclosure

onionshare is vulnerable to information disclosure. The vulnerability exists because the path parameter of the requested URL is not sanitized before being passed to the QT frontend which allows an attacker to render HTML4 Subset...

CVE-2022-21689

OnionShare is an open source tool that lets you securely and anonymously share files, host websites, and chat with friends using the Tor network. In affected versions the receive mode limits concurrent uploads to 100 per second and blocks other uploads in the same second, which can be triggered b...

CVE-2018-19960

The debugmode function in web/web.py in OnionShare through 1.3.1, when --debug is enabled, uses the /tmp/onionshareserver.log pathname for logging, which might allow local users to overwrite files or obtain sensitive information by using this pathname...

GHSA-PWJQ-6WRH-5W8Q Withdrawn Advisory: OnionShare Predictable Pathname

Withdrawn Advisory This advisory has been withdrawn because the advisory concerns the repository https://github.com/onionshare/onionshare, which is not in a supported ecosystem. onionshare-cli is not affected by this issue. Original Description The debugmode function in web/web.py in OnionShare...

Withdrawn Advisory: OnionShare Predictable Pathname

Withdrawn Advisory This advisory has been withdrawn because the advisory concerns the repository https://github.com/onionshare/onionshare, which is not in a supported ecosystem. onionshare-cli is not affected by this issue. Original Description The debugmode function in web/web.py in OnionShare...

Invisible Chat Participant

onionshare-cli allows invisible chat participants. Any user public or authenticated is able to send chats without being visible in the chat list due to lack of secure validation of active users in a chat environment session...

GHSA-X7WR-283H-5H2V Out-of-bounds Read in Onionshare

Between September 26, 2021 and October 8, 2021, Radically Open Security conducted a penetration test of OnionShare 2.4, funded by the Open Technology Fund's Red Team lab. This is an issue from that penetration test. - Vulnerability ID: OTF-014 - Vulnerability type: Out-of-bounds Read - Threat...

Out-of-bounds Read in Onionshare

Between September 26, 2021 and October 8, 2021, Radically Open Security conducted a penetration test of OnionShare 2.4, funded by the Open Technology Fund's Red Team lab. This is an issue from that penetration test. - Vulnerability ID: OTF-014 - Vulnerability type: Out-of-bounds Read - Threat...

Denial of Service in Onionshare

Between September 26, 2021 and October 8, 2021, Radically Open Security conducted a penetration test of OnionShare 2.4, funded by the Open Technology Fund's Red Team lab. - Vulnerability ID: OTF-012 - Vulnerability type: Denial of Service - Threat level: Moderate Description: The receive mode...

GHSA-JH82-C5JW-PXPC Denial of Service in Onionshare

Between September 26, 2021 and October 8, 2021, Radically Open Security conducted a penetration test of OnionShare 2.4, funded by the Open Technology Fund's Red Team lab. - Vulnerability ID: OTF-012 - Vulnerability type: Denial of Service - Threat level: Moderate Description: The receive mode...

Improper Access Control in Onionshare

Between September 26, 2021 and October 8, 2021, Radically Open Security conducted a penetration test of OnionShare 2.4, funded by the Open Technology Fund's Red Team lab. This is an issue from that penetration test. - Vulnerability ID: OTF-004 - Vulnerability type: Improper Access Control - Threa...

GHSA-GJJ5-998G-V36V Improper Access Control in Onionshare

Between September 26, 2021 and October 8, 2021, Radically Open Security conducted a penetration test of OnionShare 2.4, funded by the Open Technology Fund's Red Team lab. This is an issue from that penetration test. - Vulnerability ID: OTF-003 - Vulnerability type: Improper Access Control - Threa...