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CVE-2023-32307— heap-over-flow and integer-overflow 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 1.13.15之前版本存在安全漏洞，该漏洞源于Sofia-SIP 处理 STUN 数据包时缺少属性长度检查，攻击者利用该漏洞可以导致系统崩溃。

CVSS 7.5 · High EPSS 1.06% · P64

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-32307

Vulnerability Information
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Vulnerability Title
heap-over-flow and integer-overflow in sofia-sip
Source: CVE Program / CVE List V5
Vulnerability Description
Sofia-SIP is an open-source SIP User-Agent library, compliant with the IETF RFC3261 specification. Referring to [GHSA-8599-x7rq-fr54](https://github.com/freeswitch/sofia-sip/security/advisories/GHSA-8599-x7rq-fr54), several other potential heap-over-flow and integer-overflow in stun_parse_attr_error_code and stun_parse_attr_uint32 were found because the lack of attributes length check when Sofia-SIP handles STUN packets. The previous patch of [GHSA-8599-x7rq-fr54](https://github.com/freeswitch/sofia-sip/security/advisories/GHSA-8599-x7rq-fr54) fixed the vulnerability when attr_type did not match the enum value, but there are also vulnerabilities in the handling of other valid cases. The OOB read and integer-overflow made by attacker may lead to crash, high consumption of memory or even other more serious consequences. These issue have been addressed in version 1.13.15. Users are advised to upgrade.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
整数溢出或超界折返
Source: CVE Program / CVE List V5
Vulnerability Title
Sofia-SIP 输入验证错误漏洞
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 1.13.15之前版本存在安全漏洞，该漏洞源于Sofia-SIP 处理 STUN 数据包时缺少属性长度检查，攻击者利用该漏洞可以导致系统崩溃。
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 < 1.13.15 -

II. Public POCs for CVE-2023-32307

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III. Intelligence Information for CVE-2023-32307

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Vendor Advisories for CVE-2023-32307 (2)

Mailing List Discussions for CVE-2023-32307 (2)

IV. Related Vulnerabilities

Same product: sofia-sip
Same vendor: freeswitch
Same weakness: CWE-190

V. Comments for CVE-2023-32307

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