CWE-193

Off-by-one Error

A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value.

CVE-2017-2618 (GCVE-0-2017-2618)
Vulnerability from cvelistv5
Published
2018-07-27 19:00
Modified
2024-08-05 14:02
Severity ?
5.5 (Medium) - CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE
Summary
A flaw was found in the Linux kernel's handling of clearing SELinux attributes on /proc/pid/attr files before 4.9.10. An empty (null) write to this file can crash the system by causing the system to attempt to access unmapped kernel memory.
References
Impacted products
Vendor Product Version
Linux kernel Version: 4.9.10
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CVE-2019-10131 (GCVE-0-2019-10131)
Vulnerability from cvelistv5
Published
2019-04-30 18:01
Modified
2024-08-04 22:10
Severity ?
6.5 (Medium) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
CWE
Summary
An off-by-one read vulnerability was discovered in ImageMagick before version 7.0.7-28 in the formatIPTCfromBuffer function in coders/meta.c. A local attacker may use this flaw to read beyond the end of the buffer or to crash the program.
References
Impacted products
Vendor Product Version
ImageMagick ImageMagick Version: fixed in 7.0.7-28
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Show details on NVD website

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CVE-2019-8268 (GCVE-0-2019-8268)
Vulnerability from cvelistv5
Published
2019-03-09 00:00
Modified
2024-09-17 01:16
Severity ?
CWE
Summary
UltraVNC revision 1206 has multiple off-by-one vulnerabilities in VNC client code connected with improper usage of ClientConnection::ReadString function, which can potentially result code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1207.
References
Impacted products
Vendor Product Version
Kaspersky Lab UltraVNC Version: 1.2.2.3
 Create a notification for this product.
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CVE-2019-8272 (GCVE-0-2019-8272)
Vulnerability from cvelistv5
Published
2019-03-09 00:00
Modified
2024-09-16 16:43
Severity ?
CWE
Summary
UltraVNC revision 1211 has multiple off-by-one vulnerabilities in VNC server code, which can potentially result in code execution. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.
References
Impacted products
Vendor Product Version
Kaspersky Lab UltraVNC Version: 1.2.2.3
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CVE-2020-10062 (GCVE-0-2020-10062)
Vulnerability from cvelistv5
Published
2020-06-05 17:37
Modified
2024-09-17 00:51
Severity ?
9.0 (Critical) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
Summary
An off-by-one error in the Zephyr project MQTT packet length decoder can result in memory corruption and possible remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.
References
Impacted products
Vendor Product Version
zephyrproject-rtos zephyr Version: 2.2.0   < unspecified
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2020-14508 (GCVE-0-2020-14508)
Vulnerability from cvelistv5
Published
2020-08-25 13:15
Modified
2024-09-16 16:33
Severity ?
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Summary
GateManager versions prior to 9.2c, The affected product is vulnerable to an off-by-one error, which may allow an attacker to remotely execute arbitrary code or cause a denial-of-service condition.
References
Impacted products
Vendor Product Version
Secomea GateManager Version: All versions prior to 9.2c   < 9.2c
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2020-14510 (GCVE-0-2020-14510)
Vulnerability from cvelistv5
Published
2020-08-25 13:19
Modified
2024-09-16 19:25
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Summary
GateManager versions prior to 9.2c, The affected product contains a hard-coded credential for telnet, allowing an unprivileged attacker to execute commands as root.
References
Impacted products
Vendor Product Version
Secomea GateManager Version: All versions prior to 9.2c   < 9.2c
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2020-27793 (GCVE-0-2020-27793)
Vulnerability from cvelistv5
Published
2022-08-19 22:43
Modified
2024-08-04 16:25
Severity ?
CWE
Summary
An off-by-one overflow flaw was found in radare2 due to mismatched array length in core_java.c. This could allow an attacker to cause a crash, and perform a denail of service attack.
References
Impacted products
Vendor Product Version
n/a radare2 Version: Fixed in v4.4.0.
Show details on NVD website

To clipboard 

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CVE-2021-21938 (GCVE-0-2021-21938)
Vulnerability from cvelistv5
Published
2022-04-14 19:55
Modified
2025-04-15 19:09
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
Summary
A heap-based buffer overflow vulnerability exists in the Palette box parser functionality of Accusoft ImageGear 19.10. A specially-crafted file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
References
Impacted products
Vendor Product Version
Accusoft ImageGear Version: 19.10
 Create a notification for this product.
Show details on NVD website

To clipboard 

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CVE-2021-23017 (GCVE-0-2021-23017)
Vulnerability from cvelistv5
Published
2021-06-01 12:28
Modified
2024-08-03 18:58
Severity ?
CWE
Summary
A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.
References
https://support.f5.com/csp/article/K12331123%2C x_refsource_MISC
http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html x_refsource_MISC
https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba%40%3Cnotifications.apisix.apache.org%3E mailing-list, x_refsource_MLIST
https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009%40%3Cnotifications.apisix.apache.org%3E mailing-list, x_refsource_MLIST
https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c%40%3Cnotifications.apisix.apache.org%3E mailing-list, x_refsource_MLIST
https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f%40%3Cnotifications.apisix.apache.org%3E mailing-list, x_refsource_MLIST
https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31%40%3Cnotifications.apisix.apache.org%3E mailing-list, x_refsource_MLIST
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/ vendor-advisory, x_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/ vendor-advisory, x_refsource_FEDORA
https://www.oracle.com/security-alerts/cpuoct2021.html x_refsource_MISC
https://security.netapp.com/advisory/ntap-20210708-0006/ x_refsource_CONFIRM
https://www.oracle.com/security-alerts/cpujan2022.html x_refsource_MISC
https://www.oracle.com/security-alerts/cpuapr2022.html x_refsource_MISC
http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html x_refsource_MISC
Impacted products
Vendor Product Version
n/a Nginx Web Server, Nginx Plus Version: Nginx Web Server versions 0.6.18 thru 1.20.0 before 1.20.1, Nginx plus versions R13 thru R23 before R23 P1. Nginx plus version R24 before R24 P1
Show details on NVD website

To clipboard 

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Mitigation

Phase: Implementation

Description:

  • When copying character arrays or using character manipulation methods, the correct size parameter must be used to account for the null terminator that needs to be added at the end of the array. Some examples of functions susceptible to this weakness in C include strcpy(), strncpy(), strcat(), strncat(), printf(), sprintf(), scanf() and sscanf().

No CAPEC attack patterns related to this CWE.

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