CVE-2015-4877 : Detail

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.

##################################################################################### Application: Oracle Outside In Platforms: Windows Versions: 8.5.2 CVE: CVE-2015-4877 Author: Francis Provencher of COSIG Twitter: @COSIG_ ##################################################################################### 1) Introduction 2) Report Timeline 3) Technical details 4) POC ##################################################################################### =============== 1) Introduction =============== Oracle Outside In Technology provides software developers with a comprehensive solution to access, transform, and control the contents of over 500 unstructured file formats. From the latest office suites, such as Microsoft Office 2007, to specialty formats and legacy files, Outside In Technology provides software developers with the tools to transform unstructured files into controllable information. (http://www.oracle.com/us/technologies/embedded/025613.htm) ##################################################################################### ============================ 2) Report Timeline ============================ 2015-06-09: Francis Provencher of COSIG found the issue; 2015-06-11: Francis Provencher of COSIG report vulnerability to Oracle SA; 2015-10-18: Oracle release a patch for this issue; ##################################################################################### ============================ 3) Technical details ============================ An heap memory corruption occured when Outside In decode (DCTDecode) a PDF with a JPEG that have an invalid “Heigth” value. Successful exploitation of the vulnerabilities may allow execution of arbitrary code, but requires tricking a user into opening or previewing a malicious file. ##################################################################################### =========== 4) POC =========== http://protekresearchlab.com/exploits/COSIG-2015-002.pdf https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/38788.zip ###############################################################################