A vulnerability was found in UPX up to 4.2.2. It has been rated as critical. This issue affects the function get_ne64 of the file bele.h. The manipulation leads to heap-based buffer overflow. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-259055. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
| Link | Tags |
|---|---|
| https://vuldb.com/?id.259055 | third party advisory vdb entry technical description |
| https://vuldb.com/?ctiid.259055 | signature vdb entry permissions required |
| https://vuldb.com/?submit.304575 | third party advisory vdb entry exploit |
| https://drive.google.com/drive/folders/1qlUXvycOzGJygfkdQB9dGO6VwNRRZoih?usp=sharing | exploit |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZHWZN2NX5W3WYA6ACJ746PAZXXNZETKD/ | third party advisory mailing list |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J4DNK3AFPT4KIPTBKGCJ6FC3L7AWI2TN/ | third party advisory mailing list |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AE5OZ7YUEVLXVVS6PFP5RELVICQ4K6QK/ | third party advisory mailing list |