CyberSecBulletin

Integer Underflow (Wrap or Wraparound)

CWE-191

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

This can happen in signed and unsigned cases.

We track 250 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 8.0. 3 have been exploited in real attacks.

Latest Integer Underflow (Wrap or Wraparound) vulnerabilities

  • 7.5 High severity

    Modicon M340 CPU (part numbers BMXP34*): Integer Underflow (Wrap or Wraparound)

    CVE-2022-37301Schneider Electric

    A CWE-191: Integer Underflow (Wrap or Wraparound) vulnerability exists that could cause a denial of service of the controller due to memory access violations when using the Modbus TCP protocol. Affected products: Modicon M340 CPU (part numbers BMXP34*)(V3.40 a

  • 7.8 High severity

    filex: Integer Overflow or Wraparound

    CVE-2022-39343Azure-rtosEPSS 1.06%

    Azure RTOS FileX is a FAT-compatible file system that’s fully integrated with Azure RTOS ThreadX. In versions before 6.2.0, the Fault Tolerant feature of Azure RTOS FileX includes integer under and overflows which may be exploited to achieve buffer overflow an

  • 9.8 Critical severity

    usbx: Integer Underflow (Wrap or Wraparound)

    CVE-2022-39293Azure-rtos

    Azure RTOS USBX is a high-performance USB host, device, and on-the-go (OTG) embedded stack, that is fully integrated with Azure RTOS ThreadX. The case is, in [_ux_host_class_pima_read](https://github.com/azure-rtos/usbx/blob/master/common/usbx_host_classes/src

  • 9.8 Critical severity

    usbx: Improper Validation of Specified Quantity in Input

    CVE-2022-36063Azure-rtosEPSS 2.17%

    Azure RTOS USBx is a USB host, device, and on-the-go (OTG) embedded stack, fully integrated with Azure RTOS ThreadX and available for all Azure RTOS ThreadX–supported processors. Azure RTOS USBX implementation of host support for USB CDC ECM includes an intege

  • 7.5 High severity

    causefx/organizr: Integer Underflow (Wrap or Wraparound)

    CVE-2022-1698CausefxEPSS 1.09%

    Allowing long password leads to denial of service in GitHub repository causefx/organizr prior to 2.1.2000. This vulnerability can be abused by doing a DDoS attack for which genuine users will not able to access resources/applications.

  • 8.8 High severity

    One Speaker: Integer Underflow (Wrap or Wraparound)

    CVE-2022-24046SonosEPSS 4.08%

    This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Sonos One Speaker prior to 3.4.1 (S2 systems) and 11.2.13 build 57923290 (S1 systems). Authentication is not required to exploit this vulnerability. The

  • 8.4 High severity

    Linux Kernel Heap-Based Buffer Overflow Exploited

    CVE-2022-0185KernelEPSS 25.2%

    A heap-based buffer overflow flaw was found in the way the legacy_parse_param function in the Filesystem Context functionality of the Linux kernel verified the supplied parameters length. An unprivileged (in case of unprivileged user namespaces enabled, otherw

  • 7.8 High severity

    xrdp: Integer Underflow (Wrap or Wraparound)

    CVE-2022-23613Neutrinolabs

    xrdp is an open source remote desktop protocol (RDP) server. In affected versions an integer underflow leading to a heap overflow in the sesman server allows any unauthenticated attacker which is able to locally access a sesman server to execute code as root.

  • 7.8 High severity

    Microsoft Windows NTFS Privilege Escalation Exploited

    CVE-2021-31956MicrosoftEPSS 22.3%

    Windows NTFS Elevation of Privilege Vulnerability

  • 9.8 Critical severity

    Adobe Flash Player Integer Underflow Vulnerablity Exploited

    CVE-2014-0497AdobeEPSS 99.9%

    Integer underflow in Adobe Flash Player before 11.7.700.261 and 11.8.x through 12.0.x before 12.0.0.44 on Windows and Mac OS X, and before 11.2.202.336 on Linux, allows remote attackers to execute arbitrary code via unspecified vectors.