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CVE-2023-33850

IBM GSKit-Crypto information disclosure

7.5 High

IBM GSKit-Crypto could allow a remote attacker to obtain sensitive information, caused by a timing-based side channel in the RSA Decryption implementation. By sending an overly large number of trial messages for decryption, an attacker could exploit this vulnerability to obtain sensitive information.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

1.17%Up 1.1 points since Aug 23, 2023
90%50%10%1%

What each source reports

CVE List Score used 7.5

IBM GSKit-Crypto information disclosure

IBM GSKit-Crypto could allow a remote attacker to obtain sensitive information, caused by a timing-based side channel in the RSA Decryption implementation. By sending an overly large number of trial messages for decryption, an attacker could exploit this vulnerability to obtain sensitive information.

Record
CVE-2023-33850
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-203
Updated
2026-11-02
EUVDEUVD-2023-38000 7.5

IBM GSKit-Crypto could allow a remote attacker to obtain sensitive information, caused by a timing-based side channel in the RSA Decryption implementation. By sending an overly large number of trial messages for decryption, an attacker could exploit this vulnerability to obtain sensitive information.

Record
EUVD-2023-38000
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-xxxm-cq2q-5v69 7.5

IBM GSKit-Crypto could allow a remote attacker to obtain sensitive information, caused by a...

IBM GSKit-Crypto could allow a remote attacker to obtain sensitive information, caused by a timing-based side channel in the RSA Decryption implementation. By sending an overly large number of trial messages for decryption, an attacker could exploit this vulnerability to obtain sensitive information. IBM X-Force ID: 257132.

Record
GHSA-xxxm-cq2q-5v69
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-203
Updated
2026-11-02
NVD 7.5

IBM GSKit-Crypto could allow a remote attacker to obtain sensitive information, caused by a timing-based side channel in the RSA Decryption implementation. By sending an overly large number of trial messages for decryption, an attacker could exploit this vulnerability to obtain sensitive information.

Record
CVE-2023-33850
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-203
Updated
2026-11-02
OSVSUSE-SU-2024:0605-1 No score

Security update for java-1_8_0-ibm

This update for java-1_8_0-ibm fixes the following issues:

Update to Java 8.0 Service Refresh 8 Fix Pack 20: [bsc#1219843]

Security fixes:

  • CVE-2023-33850: Fixed information disclosure vulnerability due to the consumed GSKit library (bsc#1219843).
  • CVE-2024-20932: Fixed incorrect handling of ZIP files with duplicate entries (bsc#1218908).
  • CVE-2024-20952: Fixed RSA padding issue and timing side-channel attack against TLS (bsc#1218911).
  • CVE-2024-20918: Fixed array out-of-bounds access due to missing range check in C1 compiler (bsc#1218907).
  • CVE-2024-20921: Fixed range check loop optimization issue (bsc#1218905).
  • CVE-2024-20919: Fixed JVM class file verifier flaw allows unverified bytecode execution (bsc#1218903).
  • CVE-2024-20926: Fixed arbitrary Java code execution in Nashorn (bsc#1218906).
  • CVE-2024-20945: Fixed logging of digital signature private keys (bsc#1218909).
Record
SUSE-SU-2024:0605-1
Updated
2026-11-02
OSVSUSE-SU-2024:0619-1 No score

Security update for java-1_8_0-ibm

This update for java-1_8_0-ibm fixes the following issues:

Update to Java 8.0 Service Refresh 8 Fix Pack 20: [bsc#1219843]

Security fixes:

  • CVE-2023-33850: Fixed information disclosure vulnerability due to the consumed GSKit library (bsc#1219843).
  • CVE-2024-20932: Fixed incorrect handling of ZIP files with duplicate entries (bsc#1218908).
  • CVE-2024-20952: Fixed RSA padding issue and timing side-channel attack against TLS (bsc#1218911).
  • CVE-2024-20918: Fixed array out-of-bounds access due to missing range check in C1 compiler (bsc#1218907).
  • CVE-2024-20921: Fixed range check loop optimization issue (bsc#1218905).
  • CVE-2024-20919: Fixed JVM class file verifier flaw allows unverified bytecode execution (bsc#1218903).
  • CVE-2024-20926: Fixed arbitrary Java code execution in Nashorn (bsc#1218906).
  • CVE-2024-20945: Fixed logging of digital signature private keys (bsc#1218909).
Record
SUSE-SU-2024:0619-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
java-1_8_0-ibm
SUSE:Linux Enterprise Software Development Kit 12 SP5
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-30.120.1
1.8.0_sr8.20-30.120.1
java-1_8_0-ibm
SUSE:Linux Enterprise Server 12 SP5
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-30.120.1
1.8.0_sr8.20-30.120.1
java-1_8_0-ibm
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-30.120.1
1.8.0_sr8.20-30.120.1
java-1_8_0-ibm
SUSE:Linux Enterprise Module for Legacy 15 SP5
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-150000.3.86.1
1.8.0_sr8.20-150000.3.86.1
java-1_8_0-ibm
SUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-150000.3.86.1
1.8.0_sr8.20-150000.3.86.1
java-1_8_0-ibm
SUSE:Linux Enterprise High Performance Computing 15 SP4-ESPOS
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-150000.3.86.1
1.8.0_sr8.20-150000.3.86.1
java-1_8_0-ibm
SUSE:Linux Enterprise High Performance Computing 15 SP4-LTSS
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-150000.3.86.1
1.8.0_sr8.20-150000.3.86.1
java-1_8_0-ibm
SUSE:Linux Enterprise Server 15 SP2-LTSS
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-150000.3.86.1
1.8.0_sr8.20-150000.3.86.1
java-1_8_0-ibm
SUSE:Linux Enterprise Server 15 SP3-LTSS
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-150000.3.86.1
1.8.0_sr8.20-150000.3.86.1
java-1_8_0-ibm
SUSE:Linux Enterprise Server 15 SP4-LTSS
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-150000.3.86.1
1.8.0_sr8.20-150000.3.86.1
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Affected packages
PackageAffectedFixed
java-1_8_0-ibm
SUSE:Linux Enterprise Server for SAP Applications 15 SP2
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-150000.3.86.1
1.8.0_sr8.20-150000.3.86.1
java-1_8_0-ibm
SUSE:Linux Enterprise Server for SAP Applications 15 SP3
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-150000.3.86.1
1.8.0_sr8.20-150000.3.86.1
java-1_8_0-ibm
SUSE:Linux Enterprise Server for SAP Applications 15 SP4
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-150000.3.86.1
1.8.0_sr8.20-150000.3.86.1
java-1_8_0-ibm
SUSE:Enterprise Storage 7.1
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-150000.3.86.1
1.8.0_sr8.20-150000.3.86.1
java-1_8_0-ibm
openSUSE:Leap 15.5
From an advisory covering 8 CVEs
 before 1.8.0_sr8.20-150000.3.86.1
1.8.0_sr8.20-150000.3.86.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-33850 is a high vulnerability (CVSS 7.5) in Ibm Cics Tx Advanced, published August 22, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.17%, the 67th percentile. No source names a fixed version.

References

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