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4 vulnerabilities found for munge by opensuse
CVE-2026-25506 (GCVE-0-2026-25506)
Vulnerability from nvd – Published: 2026-02-10 18:55 – Updated: 2026-06-30 12:06
VLAI
Title
MUNGE has a buffer overflow in message unpacking allows key leakage and credential forgery
Summary
MUNGE is an authentication service for creating and validating user credentials. From 0.5 to 0.5.17, local attacker can exploit a buffer overflow vulnerability in munged (the MUNGE authentication daemon) to leak cryptographic key material from process memory. With the leaked key material, the attacker could forge arbitrary MUNGE credentials to impersonate any user (including root) to services that rely on MUNGE for authentication. The vulnerability allows a buffer overflow by sending a crafted message with an oversized address length field, corrupting munged's internal state and enabling extraction of the MAC subkey used for credential verification. This vulnerability is fixed in 0.5.18.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
22 references
Impacted products
24 products
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CVE-2019-3691 (GCVE-0-2019-3691)
Vulnerability from nvd – Published: 2020-01-23 16:00 – Updated: 2024-09-16 22:15
VLAI
Title
Local privilege escalation from user munge to root
Summary
A Symbolic Link (Symlink) Following vulnerability in the packaging of munge in SUSE Linux Enterprise Server 15; openSUSE Factory allowed local attackers to escalate privileges from user munge to root. This issue affects: SUSE Linux Enterprise Server 15 munge versions prior to 0.5.13-4.3.1. openSUSE Factory munge versions prior to 0.5.13-6.1.
Severity
7.7 (High)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.suse.com/show_bug.cgi?id=1155075 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| SUSE | SUSE Linux Enterprise Server 15 |
Affected:
munge , < 0.5.13-4.3.1
(custom)
|
|
| openSUSE | Factory |
Affected:
munge , < 0.5.13-6.1
(custom)
|
Date Public
2019-12-05 00:00
Credits
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CVE-2026-25506 (GCVE-0-2026-25506)
Vulnerability from cvelistv5 – Published: 2026-02-10 18:55 – Updated: 2026-06-30 12:06
VLAI
Title
MUNGE has a buffer overflow in message unpacking allows key leakage and credential forgery
Summary
MUNGE is an authentication service for creating and validating user credentials. From 0.5 to 0.5.17, local attacker can exploit a buffer overflow vulnerability in munged (the MUNGE authentication daemon) to leak cryptographic key material from process memory. With the leaked key material, the attacker could forge arbitrary MUNGE credentials to impersonate any user (including root) to services that rely on MUNGE for authentication. The vulnerability allows a buffer overflow by sending a crafted message with an oversized address length field, corrupting munged's internal state and enabling extraction of the MAC subkey used for credential verification. This vulnerability is fixed in 0.5.18.
Severity
7.7 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
22 references
Impacted products
24 products
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CVE-2019-3691 (GCVE-0-2019-3691)
Vulnerability from cvelistv5 – Published: 2020-01-23 16:00 – Updated: 2024-09-16 22:15
VLAI
Title
Local privilege escalation from user munge to root
Summary
A Symbolic Link (Symlink) Following vulnerability in the packaging of munge in SUSE Linux Enterprise Server 15; openSUSE Factory allowed local attackers to escalate privileges from user munge to root. This issue affects: SUSE Linux Enterprise Server 15 munge versions prior to 0.5.13-4.3.1. openSUSE Factory munge versions prior to 0.5.13-6.1.
Severity
7.7 (High)
CWE
- CWE-59 - Improper Link Resolution Before File Access ('Link Following')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugzilla.suse.com/show_bug.cgi?id=1155075 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| SUSE | SUSE Linux Enterprise Server 15 |
Affected:
munge , < 0.5.13-4.3.1
(custom)
|
|
| openSUSE | Factory |
Affected:
munge , < 0.5.13-6.1
(custom)
|
Date Public
2019-12-05 00:00
Credits
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