Common Weakness Enumeration
CWE-134
AllowedUse of Externally-Controlled Format String
Abstraction: Base · Status: Draft
The product uses a function that accepts a format string as an argument, but the format string originates from an external source.
499 vulnerabilities reference this CWE, most recent first.
CVE-2022-26674 (GCVE-0-2022-26674)
Vulnerability from cvelistv5 – Published: 2022-04-22 06:50 – Updated: 2024-09-16 17:22
VLAI
EPSS
VEX
Title
ASUS RT-AX88U - Format String
Summary
ASUS RT-AX88U has a Format String vulnerability, which allows an unauthenticated remote attacker to write to arbitrary memory address and perform remote arbitrary code execution, arbitrary system operation or disrupt service.
Severity
9.8 (Critical)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.twcert.org.tw/tw/cp-132-6043-0f72c-1.html | x_refsource_MISC |
Impacted products
Date Public
2022-04-22 00:00
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CVE-2022-26393 (GCVE-0-2022-26393)
Vulnerability from cvelistv5 – Published: 2022-09-09 14:40 – Updated: 2024-09-16 18:34
VLAI
EPSS
VEX
Title
Format String vulnerability
Summary
The Baxter Spectrum WBM is susceptible to format string attacks via application messaging. An attacker could use this to read memory in the WBM to access sensitive information or cause a Denial of Service (DoS) on the WBM.
Severity
5 (Medium)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.us-cert.gov/ics/advisories/icsma-22-xxx-xx | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Baxter | Baxter Spectrum Wireless Battery Module (WBM) |
Affected:
20D29
|
Date Public
2022-09-08 00:00
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CVE-2022-26392 (GCVE-0-2022-26392)
Vulnerability from cvelistv5 – Published: 2022-09-09 14:40 – Updated: 2024-09-17 02:31
VLAI
EPSS
VEX
Title
Format String vulnerability
Summary
The Baxter Spectrum WBM (v16, v16D38) and Baxter Spectrum WBM (v17, v17D19, v20D29 to v20D32) when in superuser mode is susceptible to format string attacks via application messaging. An attacker could use this to read memory in the WBM to access sensitive information.
Severity
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.us-cert.gov/ics/advisories/icsma-22-xxx-xx | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Baxter | Baxter Spectrum Wireless Battery Module (WBM) |
Affected:
16
Affected: 16D38 Affected: 17 Affected: 17D19 Affected: 20D29 Affected: 20D30 Affected: 20D31 Affected: 20D32 |
Date Public
2022-09-08 00:00
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CVE-2022-24051 (GCVE-0-2022-24051)
Vulnerability from cvelistv5 – Published: 2022-02-18 19:51 – Updated: 2024-08-03 03:59
VLAI
EPSS
VEX
Summary
MariaDB CONNECT Storage Engine Format String Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of MariaDB. Authentication is required to exploit this vulnerability. The specific flaw exists within the processing of SQL queries. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of the service account. Was ZDI-CAN-16193.
Severity
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://mariadb.com/kb/en/security/ | x_refsource_MISC |
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
| https://security.netapp.com/advisory/ntap-2022031… | x_refsource_CONFIRM |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
| https://lists.fedoraproject.org/archives/list/pac… | vendor-advisoryx_refsource_FEDORA |
Credits
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CVE-2022-3023 (GCVE-0-2022-3023)
Vulnerability from cvelistv5 – Published: 2022-11-04 00:00 – Updated: 2025-05-02 13:49
VLAI
EPSS
VEX
Title
Use of Externally-Controlled Format String in pingcap/tidb
Summary
Use of Externally-Controlled Format String in GitHub repository pingcap/tidb prior to 6.4.0, 6.1.3.
Severity
4.2 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| pingcap | pingcap/tidb |
Affected:
unspecified , < 6.4.0, 6.1.3
(custom)
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CVE-2022-2652 (GCVE-0-2022-2652)
Vulnerability from cvelistv5 – Published: 2022-08-04 09:35 – Updated: 2024-08-03 00:46
VLAI
EPSS
VEX
Title
Use of Externally-Controlled Format String in umlaeute/v4l2loopback
Summary
Depending on the way the format strings in the card label are crafted it's possible to leak kernel stack memory. There is also the possibility for DoS due to the v4l2loopback kernel module crashing when providing the card label on request (reproduce e.g. with many %s modifiers in a row).
Severity
7.3 (High)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/1b055da5-7a9e-4409-99d… | x_refsource_CONFIRM |
| https://github.com/umlaeute/v4l2loopback/commit/e… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| umlaeute | umlaeute/v4l2loopback |
Affected:
unspecified , < 0.12.6
(custom)
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CVE-2022-1215 (GCVE-0-2022-1215)
Vulnerability from cvelistv5 – Published: 2022-05-31 00:00 – Updated: 2024-08-02 23:55
VLAI
EPSS
VEX
Summary
A format string vulnerability was found in libinput
Severity
No CVSS data available.
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://seclists.org/oss-sec/2022/q2/47 | |
| https://security.gentoo.org/glsa/202310-14 | vendor-advisory |
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CVE-2021-41193 (GCVE-0-2021-41193)
Vulnerability from cvelistv5 – Published: 2022-03-01 18:25 – Updated: 2025-04-23 18:59
VLAI
EPSS
VEX
Title
Use of Externally-Controlled Format String in wire-avs
Summary
wire-avs is the audio visual signaling (AVS) component of Wire, an open-source messenger. A remote format string vulnerability in versions prior to 7.1.12 allows an attacker to cause a denial of service or possibly execute arbitrary code. The issue has been fixed in wire-avs 7.1.12. There are currently no known workarounds.
Severity
9.8 (Critical)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/wireapp/wire-avs/security/advi… | x_refsource_CONFIRM |
| https://github.com/wireapp/wire-avs/commit/40d373… | x_refsource_MISC |
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CVE-2021-34970 (GCVE-0-2021-34970)
Vulnerability from cvelistv5 – Published: 2024-05-07 22:54 – Updated: 2024-08-04 00:26
VLAI
EPSS
VEX
Title
Foxit PDF Reader print Method Use of Externally-Controlled Format String Information Disclosure Vulnerability
Summary
Foxit PDF Reader print Method Use of Externally-Controlled Format String Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Foxit PDF Reader. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.
The specific flaw exists within the implementation of the print method. The issue results from the lack of proper validation of a user-supplied string before using it as a format specifier. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-14849.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_research-advisory |
| https://www.foxit.com/support/security-bulletins.html | vendor-advisory |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | PDF Reader |
Affected:
11.0.1.49938
|
|
| foxit | pdf_reader |
Affected:
- , ≤ 11.0.1.49938
(custom)
cpe:2.3:a:foxit:pdf_reader:-:*:*:*:*:*:*:* |
|
| foxit | pdf_editor |
Affected:
- , ≤ 10.1.5.37672
(custom)
cpe:2.3:a:foxit:pdf_editor:-:*:*:*:*:*:*:* |
|
| foxit | pdf_editor |
Affected:
11.0.1.49938
cpe:2.3:a:foxit:pdf_editor:11.0.1.49938:*:*:*:*:*:*:* |
|
| foxit | pdf_editor |
Affected:
11.0.0.49893
cpe:2.3:a:foxit:pdf_editor:11.0.0.49893:*:*:*:*:*:*:* |
Date Public
2021-10-15 12:36
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CVE-2021-33535 (GCVE-0-2021-33535)
Vulnerability from cvelistv5 – Published: 2021-06-25 18:26 – Updated: 2024-09-17 01:15
VLAI
EPSS
VEX
Title
WEIDMUELLER: WLAN devices affected by exploitable format string vulnerability
Summary
In Weidmueller Industrial WLAN devices in multiple versions an exploitable format string vulnerability exists in the iw_console conio_writestr functionality. A specially crafted time server entry can cause an overflow of the time server buffer, resulting in remote code execution. An attacker can send commands while authenticated as a low privilege user to trigger this vulnerability.
Severity
8.8 (High)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://cert.vde.com/en-us/advisories/vde-2021-026 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Weidmüller | IE-WL(T)-BL-AP-CL-XX |
Affected:
IE-WL-BL-AP-CL-EU (2536600000) , ≤ V1.16.18 (Build 18081617)
(custom)
Affected: IE-WLT-BL-AP-CL-EU (2536650000) , ≤ V1.16.18 (Build 18081617) (custom) Affected: IE-WL-BL-AP-CL-US (2536660000) , ≤ V1.16.18 (Build 18081617) (custom) Affected: IE-WLT-BL-AP-CL-US (2536670000) , ≤ V1.16.18 (Build 18081617) (custom) |
|
| Weidmüller | IE-WL(T)-VL-AP-CL-XX |
Affected:
IE-WL-VL-AP-BR-CL-EU (2536680000) , ≤ V1.11.10 (Build 18122616)
(custom)
Affected: IE-WLT-VL-AP-BR-CL-EU (2536690000) , ≤ V1.11.10 (Build 18122616) (custom) Affected: IE-WL-VL-AP-BR-CL-US (2536700000) , ≤ V1.11.10 (Build 18122616) (custom) Affected: IE-WLT-VL-AP-BR-CL-US (2536710000) , ≤ V1.11.10 (Build 18122616) (custom) |
Date Public
2021-06-23 00:00
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"scope": "UNCHANGED",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-134 Use of Externally-Controlled Format String"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "https://cert.vde.com/en-us/advisories/vde-2021-026",
"refsource": "CONFIRM",
"url": "https://cert.vde.com/en-us/advisories/vde-2021-026"
}
]
},
"solution": [
{
"lang": "en",
"value": "For IE-WL(T)-BL-AP-CL-XX versions V1.16.21 (Build 21010513) and greater are fixed.\nFor IE-WL(T)-VL-AP-CL-XX versions V1.11.13 (Build 21010513) and greater are fixed."
}
],
"source": {
"advisory": "VDE-2021-026",
"defect": [
"VDE-2021-026"
],
"discovery": "EXTERNAL"
}
}
}
},
"cveMetadata": {
"assignerOrgId": "270ccfa6-a436-4e77-922e-914ec3a9685c",
"assignerShortName": "CERTVDE",
"cveId": "CVE-2021-33535",
"datePublished": "2021-06-25T18:26:00.125Z",
"dateReserved": "2021-05-24T00:00:00.000Z",
"dateUpdated": "2024-09-17T01:15:45.850Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation
Requirements
Choose a language that is not subject to this flaw.
Mitigation
Implementation
Ensure that all format string functions are passed a static string which cannot be controlled by the user, and that the proper number of arguments are always sent to that function as well. If at all possible, use functions that do not support the %n operator in format strings. [REF-116] [REF-117]
Mitigation
Build and Compilation
Run compilers and linkers with high warning levels, since they may detect incorrect usage.
CAPEC-135: Format String Injection
An adversary includes formatting characters in a string input field on the target application. Most applications assume that users will provide static text and may respond unpredictably to the presence of formatting character. For example, in certain functions of the C programming languages such as printf, the formatting character %s will print the contents of a memory location expecting this location to identify a string and the formatting character %n prints the number of DWORD written in the memory. An adversary can use this to read or write to memory locations or files, or simply to manipulate the value of the resulting text in unexpected ways. Reading or writing memory may result in program crashes and writing memory could result in the execution of arbitrary code if the adversary can write to the program stack.
CAPEC-67: String Format Overflow in syslog()
This attack targets applications and software that uses the syslog() function insecurely. If an application does not explicitely use a format string parameter in a call to syslog(), user input can be placed in the format string parameter leading to a format string injection attack. Adversaries can then inject malicious format string commands into the function call leading to a buffer overflow. There are many reported software vulnerabilities with the root cause being a misuse of the syslog() function.