Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 502
Alerts This Week
Warning Icon 1 502

Red Hat 8: RHSA-2023-3097-01 Moderate: gssntlmssp Authentication Issue

red hat
Calendar Grey May 16, 2023
Dist Redhat Esm H88
Red Hat has released a moderate severity advisory for gssntlmssp updates, addressing vulnerabilities in the GSS-NTLMSSP mechanism for Linux systems.
An update for gssntlmssp is now available for Red Hat Enterprise Linux 8

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

The gssntlmssp is a GSSAPI NTLM mechanism that allows to perform NTLM authentication in GSSAPI programs.
Security Fix(es):
* gssntlmssp: multiple out-of-bounds read when decoding NTLM fields (CVE-2023-25563)
* gssntlmssp: memory corruption when decoding UTF16 strings (CVE-2023-25564)
* gssntlmssp: incorrect free when decoding target information (CVE-2023-25565)
* gssntlmssp: memory leak when parsing usernames (CVE-2023-25566)
* gssntlmssp: out-of-bounds read when decoding target information (CVE-2023-25567)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory moderate Red Hat buffer overflow memory corruption authentication issue gssntlmssp

References

https://access.redhat.com/security/cve/CVE-2023-25563 https://access.redhat.com/security/cve/CVE-2023-25564 https://access.redhat.com/security/cve/CVE-2023-25565 https://access.redhat.com/security/cve/CVE-2023-25566 https://access.redhat.com/security/cve/CVE-2023-25567 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: gssntlmssp-1.2.0-1.el8_8.src.rpm
aarch64: gssntlmssp-1.2.0-1.el8_8.aarch64.rpm gssntlmssp-debuginfo-1.2.0-1.el8_8.aarch64.rpm gssntlmssp-debugsource-1.2.0-1.el8_8.aarch64.rpm
ppc64le: gssntlmssp-1.2.0-1.el8_8.ppc64le.rpm gssntlmssp-debuginfo-1.2.0-1.el8_8.ppc64le.rpm gssntlmssp-debugsource-1.2.0-1.el8_8.ppc64le.rpm
s390x: gssntlmssp-1.2.0-1.el8_8.s390x.rpm gssntlmssp-debuginfo-1.2.0-1.el8_8.s390x.rpm gssntlmssp-debugsource-1.2.0-1.el8_8.s390x.rpm
x86_64: gssntlmssp-1.2.0-1.el8_8.x86_64.rpm gssntlmssp-debuginfo-1.2.0-1.el8_8.x86_64.rpm gssntlmssp-debugsource-1.2.0-1.el8_8.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Advisory ID: RHSA-2023:3097-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:3097
Issue date: 2023-05-16

Topic

An update for gssntlmssp is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate Red Hat buffer overflow memory corruption authentication issue gssntlmssp

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2172019 - CVE-2023-25563 gssntlmssp: multiple out-of-bounds read when decoding NTLM fields

2172020 - CVE-2023-25564 gssntlmssp: memory corruption when decoding UTF16 strings

2172021 - CVE-2023-25565 gssntlmssp: incorrect free when decoding target information

2172022 - CVE-2023-25566 gssntlmssp: memory leak when parsing usernames

2172023 - CVE-2023-25567 gssntlmssp: out-of-bounds read when decoding target information

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.