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CVE-2022-31003— Heap-based Buffer Overflow and Out-of-bounds Write in Sofia-SIP

Quick assessment

Affected
freeswitch sofia-sip
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Sofia-SIP是freeswitch个人开发者的一个开源的 SIP 用户代理库，符合 IETF RFC3261 规范。 Sofia-SIP 存在安全漏洞，该漏洞源于应用解析sdp消息时会访问内存导致越界写入。攻击者可以利用该漏洞向FreeSWITCH发送带有恶意sdp消息，导致应用崩溃。

CVSS 9.1 · Critical EPSS 3.85% · P90

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-31003

Vulnerability Information
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Vulnerability Title
Heap-based Buffer Overflow and Out-of-bounds Write in Sofia-SIP
Source: CVE Program / CVE List V5
Vulnerability Description
Sofia-SIP is an open-source Session Initiation Protocol (SIP) User-Agent library. Prior to version 1.13.8, when parsing each line of a sdp message, `rest = record + 2` will access the memory behind `\0` and cause an out-of-bounds write. An attacker can send a message with evil sdp to FreeSWITCH, causing a crash or more serious consequence, such as remote code execution. Version 1.13.8 contains a patch for this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Sofia-SIP 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sofia-SIP是freeswitch个人开发者的一个开源的 SIP 用户代理库，符合 IETF RFC3261 规范。 Sofia-SIP 存在安全漏洞，该漏洞源于应用解析sdp消息时会访问内存导致越界写入。攻击者可以利用该漏洞向FreeSWITCH发送带有恶意sdp消息，导致应用崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
freeswitch sofia-sip < 1.13.8 -

II. Public POCs for CVE-2022-31003

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III. Intelligence Information for CVE-2022-31003

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Patches & Fixes for CVE-2022-31003 (1)

Vendor Advisories for CVE-2022-31003 (3)

Mailing List Discussions for CVE-2022-31003 (1)

Same Patch Batch · freeswitch · 2022-05-31 · 3 CVEs total

CVE-2022-31001 7.5 HIGH Out-of-bounds Read in Sofia-SIP
CVE-2022-31002 7.5 HIGH Out-of-bounds Read in Sofia-SIP

IV. Related Vulnerabilities

Same product: sofia-sip
Same vendor: freeswitch
Same weakness: CWE-122

V. Comments for CVE-2022-31003

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