THREATPORT/VULNERABILITY/CVE-2022-31003
CRITICAL SEVERITY

CVE-2022-31003

Sofia Sip vulnerability

CVSS
9.1
EPSS
3.7%
EPSS pct
88th
Exploited
No known
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.
Affected vendor
Signalwire
Affected product
Sofia Sip
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Weakness type (CWE)
Published
2022-05-31

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to integrity, high impact to availability.

Its EPSS score of 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2022-31003

  • Confirm whether Signalwire Sofia Sip is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-31003.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-31003

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-31003 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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