CVE-2023-0482

Impact

In RESTEasy the insecure File.createTempFile() is used in the DataSourceProvider, FileProvider and Mime4JWorkaround classes which creates temp files with insecure permissions that could be read by a local user.

Patches

Fixed in the following pull requests:

• https://github.com/resteasy/resteasy/pull/3409 (7.0.0.Alpha1)
• https://github.com/resteasy/resteasy/pull/3423 (6.2.3.Final)
• https://github.com/resteasy/resteasy/pull/3412 (5.0.6.Final)
• https://github.com/resteasy/resteasy/pull/3413 (4.7.8.Final)
• https://github.com/resteasy/resteasy/pull/3410 (3.15.5.Final)

Workarounds

There is no workaround for this issue.

References

• https://nvd.nist.gov/vuln/detail/CVE-2023-0482
• https://bugzilla.redhat.com/show_bug.cgi?id=2166004
• https://github.com/advisories/GHSA-jrmh-v64j-mjm9

In RESTEasy the insecure File.createTempFile() is used in the DataSourceProvider, FileProvider and Mime4JWorkaround classes which creates temp files with insecure permissions that could be read by a local user.

Nikos Papadopoulos discovered that RESTEasy improperly handled URL encoding when certain errors occur. An attacker could possibly use this issue to modify the app's behavior for other users through the network. (CVE-2020-10688)

Mirko Selber discovered that RESTEasy improperly validated user input during HTTP response construction. This issue could possibly allow an attacker to cause a denial of service or execute arbitrary code. (CVE-2020-1695)

It was discovered that RESTEasy unintentionally disclosed potentially sensitive server information to users during the handling of certain errors. (CVE-2020-25633)

It was discovered that RESTEasy unintentionally disclosed parts of its code to users during the handling of certain errors. (CVE-2021-20289)

It was discovered that RESTEasy used improper permissions when creating temporary files. An attacker could possibly use this issue to get access to sensitive data. (CVE-2023-0482)

It was discovered that RESTEasy improperly handled certain HTTP requests and could be forced into a state in which it can no longer accept incoming connections. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-9622)

It was discovered that RESTEasy made insufficient use of random values in asynchronous jobs. An attacker could possibly use this issue to steal user data. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-6345)

It was discovered that RESTEasy enabled a vulnerable GZIP decompression module by default. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-6346)

It was discovered that RESTEasy improperly made use of unsanitized data while handling certain errors. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-6347)

It was discovered that RESTEasy enabled a vulnerable JSON manipulation module by default. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-6348)

It was discovered that RESTEasy enabled a vulnerable deserialization module by default. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 16.04 LTS. (CVE-2016-7050)

Nikos Papadopoulos discovered that RESTEasy improperly handled URL encoding when certain errors occur. An attacker could possibly use this issue to modify the app's behavior for other users throughout the network. This issue did not affect resteasy3.0 in Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2020-10688)

Mirko Selber discovered that RESTEasy improperly validated user input during HTTP response construction. An attacker could possibly use this issue to to cause a denial of service or execute arbitrary code. This issue did not affect resteasy3.0 in Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, Ubuntu 24.10, and Ubuntu 25.04. (CVE-2020-1695)

It was discovered that RESTEasy improperly handled receiving the WebApplicationException during a client call. An attacker could possibly use this issue to obtain potentially sensitive server information. (CVE-2020-25633)

It was discovered that RESTEasy improperly populated exception responses with endpoint class and method names. An attacker could possibly use this issue to obtain potentially sensitive server information. (CVE-2021-20289)

It was discovered that RESTEasy used improper permissions when creating temporary files. An attacker could possibly use this issue to get access to sensitive data. (CVE-2023-0482)

It was discovered that RESTEasy improperly handled certain HTTP requests containing ASCII control characters. An attacker could possibly use this issue to cause a denial of service. (CVE-2024-9622)