CWE-134
Use of Externally-Controlled Format String
The product uses a function that accepts a format string as an argument, but the format string originates from an external source.
CVE-2020-15634 (GCVE-0-2020-15634)
Vulnerability from cvelistv5 – Published: 2020-08-19 20:55 – Updated: 2024-08-04 13:22
VLAI
Summary
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 routers with firmware 1.0.4.84_10.0.58. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of string table file uploads. 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 execute code in the context of the web server. Was ZDI-CAN-9755.
Severity
6.3 (Medium)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.zerodayinitiative.com/advisories/ZDI-… | x_refsource_MISC |
| https://kb.netgear.com/000062126/Security-Advisor… | x_refsource_MISC |
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CVE-2020-1979 (GCVE-0-2020-1979)
Vulnerability from cvelistv5 – Published: 2020-03-11 18:58 – Updated: 2024-09-17 00:10
VLAI
Title
PAN-OS: A format string vulnerability in PAN-OS log daemon (logd) on Panorama allows local privilege escalation
Summary
A format string vulnerability in the PAN-OS log daemon (logd) on Panorama allows a network based attacker with knowledge of registered firewall devices and access to Panorama management interfaces to execute arbitrary code, bypassing the restricted shell and escalating privileges. This issue affects only PAN-OS 8.1 versions earlier than PAN-OS 8.1.13 on Panorama. This issue does not affect PAN-OS 7.1, PAN-OS 9.0, or later PAN-OS versions.
Severity
8.1 (High)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2020-1979 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Palo Alto Networks | PAN-OS |
Affected:
8.1 , < 8.1.13
(custom)
Unaffected: 9.0.0 , < 9.0* (custom) Unaffected: 7.1.0 , < 7.1* (custom) Unaffected: 9.1.0 , < 9.1* (custom) |
Date Public
2020-03-11 00:00
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CVE-2020-1992 (GCVE-0-2020-1992)
Vulnerability from cvelistv5 – Published: 2020-04-08 18:41 – Updated: 2024-09-17 03:44
VLAI
Title
PAN-OS on PA-7000 Series: Varrcvr daemon network-based denial of service or privilege escalation
Summary
A format string vulnerability in the Varrcvr daemon of PAN-OS on PA-7000 Series devices with a Log Forwarding Card (LFC) allows remote attackers to crash the daemon creating a denial of service condition or potentially execute code with root privileges. This issue affects Palo Alto Networks PAN-OS 9.0 versions before 9.0.7; PAN-OS 9.1 versions before 9.1.2 on PA-7000 Series devices with an LFC installed and configured. This issue requires WildFire services to be configured and enabled. This issue does not affect PAN-OS 8.1 and earlier releases. This issue does not affect any other PA Series firewalls.
Severity
8.1 (High)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2020-1992 | x_refsource_MISC |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Palo Alto Networks | PAN-OS |
Affected:
9.0 , < 9.0.7
(custom)
Affected: 9.1 , < 9.1.2 (custom) |
|
| Palo Alto Networks | PAN-OS |
Unaffected:
8.1.*
Unaffected: 8.0.* Unaffected: 7.1.* |
Date Public
2020-04-08 00:00
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CVE-2020-3118 (GCVE-0-2020-3118)
Vulnerability from cvelistv5 – Published: 2020-02-05 17:40 – Updated: 2025-10-21 23:35
VLAI
Title
Cisco IOS XR Software Cisco Discovery Protocol Format String Vulnerability
Summary
A vulnerability in the Cisco Discovery Protocol implementation for Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to execute arbitrary code or cause a reload on an affected device. The vulnerability is due to improper validation of string input from certain fields in Cisco Discovery Protocol messages. An attacker could exploit this vulnerability by sending a malicious Cisco Discovery Protocol packet to an affected device. A successful exploit could allow the attacker to cause a stack overflow, which could allow the attacker to execute arbitrary code with administrative privileges on an affected device. Cisco Discovery Protocol is a Layer 2 protocol. To exploit this vulnerability, an attacker must be in the same broadcast domain as the affected device (Layer 2 adjacent).
Severity
8.8 (High)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
| http://packetstormsecurity.com/files/156203/Cisco… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
unspecified , < 6.6.3
(custom)
|
Date Public
2020-02-05 00:00
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CVE-2021-20307 (GCVE-0-2021-20307)
Vulnerability from cvelistv5 – Published: 2021-04-05 21:34 – Updated: 2024-08-03 17:37
VLAI
Summary
Format string vulnerability in panoFileOutputNamesCreate() in libpano13 2.9.20~rc2+dfsg-3 and earlier can lead to read and write arbitrary memory values.
Severity
No CVSS data available.
CWE
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://sourceforge.net/projects/panotools/files/… | x_refsource_MISC |
| https://bugzilla.redhat.com/show_bug.cgi?id=1946284 | x_refsource_MISC |
| https://lists.debian.org/debian-lts-announce/2021… | mailing-listx_refsource_MLIST |
| 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 |
| https://security.gentoo.org/glsa/202107-47 | vendor-advisoryx_refsource_GENTOO |
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CVE-2021-32785 (GCVE-0-2021-32785)
Vulnerability from cvelistv5 – Published: 2021-07-22 00:00 – Updated: 2024-08-03 23:33
VLAI
Title
Format string bug in the Redis cache implementation
Summary
mod_auth_openidc is an authentication/authorization module for the Apache 2.x HTTP server that functions as an OpenID Connect Relying Party, authenticating users against an OpenID Connect Provider. When mod_auth_openidc versions prior to 2.4.9 are configured to use an unencrypted Redis cache (`OIDCCacheEncrypt off`, `OIDCSessionType server-cache`, `OIDCCacheType redis`), `mod_auth_openidc` wrongly performed argument interpolation before passing Redis requests to `hiredis`, which would perform it again and lead to an uncontrolled format string bug. Initial assessment shows that this bug does not appear to allow gaining arbitrary code execution, but can reliably provoke a denial of service by repeatedly crashing the Apache workers. This bug has been corrected in version 2.4.9 by performing argument interpolation only once, using the `hiredis` API. As a workaround, this vulnerability can be mitigated by setting `OIDCCacheEncrypt` to `on`, as cache keys are cryptographically hashed before use when this option is enabled.
Severity
5.3 (Medium)
CWE
- CWE-134 - Use of Externally-Controlled Format String
Assigner
References
6 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| zmartzone | mod_auth_openidc |
Affected:
< 2.4.9
|
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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
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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CVE-2021-34970 (GCVE-0-2021-34970)
Vulnerability from cvelistv5 – Published: 2024-05-07 22:54 – Updated: 2024-08-04 00:26
VLAI
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.
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Severity
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
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Foxit | PDF Reader |
Affected:
11.0.1.49938
|
Date Public
2021-10-15 12:36
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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
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)
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-2022-1215 (GCVE-0-2022-1215)
Vulnerability from cvelistv5 – Published: 2022-05-31 00:00 – Updated: 2024-08-02 23:55
VLAI
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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Mitigation
Phase: Requirements
Description:
- Choose a language that is not subject to this flaw.
Mitigation
Phase: Implementation
Description:
- 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
Phase: Build and Compilation
Description:
- 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.