CVE-2021-33560

Libgcrypt before 1.8.8 and 1.9.x before 1.9.3 mishandles ElGamal encryption because it lacks exponent blinding to address a side-channel attack against mpi_powm, and the window size is not chosen appropriately. This, for example, affects use of ElGamal in OpenPGP.

Fixed
MEDIUM (4.4)
  • T

    Tim Bastin detected CVE-2021-33560 with a risk of 3.55

  • T

    Tim Bastin fixed CVE-2021-33560

  • T

    Tim Bastin detected CVE-2021-33560 with a risk of 3.55

  • logo

    System updated the risk assessment to 1.77

    System recalculated raw risk assessment

  • logo

    System updated the risk assessment to 3.55

    System recalculated raw risk assessment

  • logo

    System updated the risk assessment to 1.77

    System recalculated raw risk assessment

  • logo

    System updated the risk assessment from 1.77 to 1.18

    System recalculated raw risk assessment

  • logo

    System updated the risk assessment from 1.18 to 3.55

    System recalculated raw risk assessment

  • logo

    System detected CVE-2021-33560 with scanner: container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning

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    System detected CVE-2021-33560 with scanner: container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning

  • logo

    System fixed CVE-2021-33560

  • logo

    System detected CVE-2021-33560 with a risk of 3.55

  • logo

    System detected CVE-2021-33560 with scanner: container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning

  • logo

    System detected CVE-2021-33560 with scanner: container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning

  • logo

    System detected CVE-2021-33560 with scanner: container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning github.com/l3montree-dev/devguard/cmd/devguard-scanner/container-scanning

  • logo

    System fixed CVE-2021-33560

  • logo

    System detected CVE-2021-33560 with a risk of 3.55

  • T

    Tim Bastin fixed CVE-2021-33560

  • S

    Sebastian Kawelke updated the risk assessment from 3.55 to 2.6

    Confidentiality Requirement updated: medium -> low, Integrity Requirement updated: medium -> high, Availability Requirement updated: medium -> high

  • S

    Sebastian Kawelke updated the risk assessment from 2.6 to 4.25

    Confidentiality Requirement updated: low -> high

  • logo

    System updated the risk assessment from 4.25 to 4.4

    System recalculated raw risk assessment

Reopen this vulnerability

You can reopen this vuln, if you plan to mitigate the risk now, or accepted this vuln by accident.

Last calculated at:

Affected component

Logo von deb debian/libgcrypt20

Installed version:
1.10.1
Fixed in:
no patch available

Management decisions across the organization

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