CVE-2022-31003
Heap-based Buffer Overflow and Out-of-bounds Write in Sofia-SIP
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Heap-based Buffer Overflow and Out-of-bounds Write in Sofia-SIP
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.
- Record
CVE-2022-31003- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-122, CWE-787
- Updated
- 2026-11-02
EUVDEUVD-2022-52710
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.
- Record
EUVD-2022-52710- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-02
NVD
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.
- Record
CVE-2022-31003- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-122, CWE-787
- Updated
- 2026-11-02
OSVALPINE-CVE-2022-31003
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.
- Record
ALPINE-CVE-2022-31003- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
OSV
Heap-based Buffer Overflow and Out-of-bounds Write in Sofia-SIP
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.
- Record
CVE-2022-31003- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-122, CWE-787
- Updated
- 2026-11-02
OSVDEBIAN-CVE-2022-31003
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.
- Record
DEBIAN-CVE-2022-31003- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
OSVUBUNTU-CVE-2022-31003
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.
- Record
UBUNTU-CVE-2022-31003- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-02
OSVMGASA-2022-0343 No score
Updated sofia-sip packages fix security vulnerability
An attacker can send a message with evil sdp to FreeSWITCH, which may a cause a crash due to an out-of-bounds access. (CVE-2022-31001) An attacker can send a message with evil sdp to FreeSWITCH, which may cause a crash. (CVE-2022-31002) An out-of-bounds write. (CVE-2022-31003)
- Record
MGASA-2022-0343- Updated
- 2026-11-02
OSVUSN-5932-1 No score
sofia-sip vulnerabilities
It was discovered that Sofia-SIP incorrectly handled specially crafted SDP packets. A remote attacker could use this issue to cause applications using Sofia-SIP to crash, leading to a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2022-31001, CVE-2022-31002, CVE-2022-31003)
It was discovered that Sofia-SIP incorrectly handled specially crafted UDP packets. A remote attacker could use this issue to cause applications using Sofia-SIP to crash, leading to a denial of service. (CVE-2022-47516)
Qiuhao Li discovered that Sofia-SIP incorrectly handled specially crafted STUN packets. A remote attacker could use this issue to cause applications using Sofia-SIP to crash, leading to a denial of service, or possibly execute arbitrary code. (CVE-2023-22741)
- Record
USN-5932-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
sofia-sipAlpine:v3.14 |
before 1.13.8-r0 | 1.13.8-r0 |
sofia-sipAlpine:v3.15 |
before 1.13.8-r0 | 1.13.8-r0 |
sofia-sipAlpine:v3.16 |
before 1.13.8-r0 | 1.13.8-r0 |
sofia-sipAlpine:v3.17 |
before 1.13.8-r0 | 1.13.8-r0 |
sofia-sipAlpine:v3.18 |
before 1.13.8-r0 | 1.13.8-r0 |
sofia-sipAlpine:v3.19 |
before 1.13.8-r0 | 1.13.8-r0 |
sofia-sipAlpine:v3.20 |
before 1.13.8-r0 | 1.13.8-r0 |
sofia-sipAlpine:v3.21 |
before 1.13.8-r0 | 1.13.8-r0 |
sofia-sipAlpine:v3.22 |
before 1.13.8-r0 | 1.13.8-r0 |
sofia-sipAlpine:v3.23 |
before 1.13.8-r0 | 1.13.8-r0 |
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| Package | Affected | Fixed |
|---|---|---|
sofia-sipAlpine:v3.24 |
before 1.13.8-r0 | 1.13.8-r0 |
sofia-sipDebian:12 |
before 1.12.11+20110422.1+1e14eea~dfsg-3 | 1.12.11+20110422.1+1e14eea~dfsg-3 |
sofia-sipDebian:13 |
before 1.12.11+20110422.1+1e14eea~dfsg-3 | 1.12.11+20110422.1+1e14eea~dfsg-3 |
sofia-sipDebian:14 |
before 1.12.11+20110422.1+1e14eea~dfsg-3 | 1.12.11+20110422.1+1e14eea~dfsg-3 |
sofia-sipDebian:10 |
before 1.12.11+20110422.1-2.1+deb10u1, plus listed versions 1.12.11+20110422.1-2.1 |
1.12.11+20110422.1-2.1+deb10u1 |
sofia-sipDebian:11 |
before 1.12.11+20110422.1-2.1+deb11u1, plus listed versions 1.12.11+20110422.1-2.1 |
1.12.11+20110422.1-2.1+deb11u1 |
sofia-sipMageia:8 |
before 1.12.11-10.1.mga8 | 1.12.11-10.1.mga8 |
sofia-sipUbuntu:Pro:16.04:LTS |
before 1.12.11+20110422.1-2.1+deb10u3ubuntu0.16.04.1~esm1, plus listed versions 1.12.11+20110422.1-2ubuntu1 |
1.12.11+20110422.1-2.1+deb10u3ubuntu0.16.04.1~esm1 |
sofia-sipUbuntu:18.04:LTS |
before 1.12.11+20110422.1-2.1+deb10u3build0.18.04.1, plus listed versions 1.12.11+20110422.1-2.11.12.11+20110422.1-2.1build1 |
1.12.11+20110422.1-2.1+deb10u3build0.18.04.1 |
sofia-sipUbuntu:20.04:LTS |
before 1.12.11+20110422.1-2.1+deb10u3ubuntu0.20.04.1, plus listed versions 1.12.11+20110422.1-2.1build1 |
1.12.11+20110422.1-2.1+deb10u3ubuntu0.20.04.1 |
sofia-sipUbuntu:22.04:LTS |
before 1.12.11+20110422.1-2.1+deb10u3ubuntu0.22.04.1, plus listed versions 1.12.11+20110422.1-2.1ubuntu11.12.11+20110422.1-2.1ubuntu2 |
1.12.11+20110422.1-2.1+deb10u3ubuntu0.22.04.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2022-31003 is a critical vulnerability (CVSS 9.1) in Freeswitch Sofia-sip, published May 31, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.11%, the 90th percentile. Fixed in sofia-sip 1.13.8-r0.
References
github.com/freeswitch/sofia-sip/security/advisories/GHSA-8w5j-6g2j-pxcp
lists.debian.org/debian-lts-announce/2022/09/msg00001.html
security.gentoo.org/glsa/202210-18
debian.org/security/2023/dsa-5410
security.alpinelinux.org/vuln/CVE-2022-31003
Show 15 moreShow less
nvd.nist.gov/vuln/detail/CVE-2022-31003
security-tracker.debian.org/tracker/CVE-2022-31003
advisories.mageia.org/MGASA-2022-0343.html
bugs.mageia.org/show_bug.cgi?id=30806
ubuntu.com/security/CVE-2022-31003
cve.org/CVERecord?id=CVE-2022-31003