Slackware Linux update for tigervnc
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 13 |
| CVE-ID | CVE-2022-3550 CVE-2022-3551 CVE-2022-3553 CVE-2022-4283 CVE-2022-46340 CVE-2022-46341 CVE-2022-46342 CVE-2022-46343 CVE-2022-46344 CVE-2023-0494 CVE-2023-1393 CVE-2023-5367 CVE-2023-5380 |
| CWE-ID | CWE-119 CWE-401 CWE-416 CWE-121 CWE-125 CWE-787 |
| Exploitation vector | Local |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Slackware Linux Operating systems & Components / Operating system tigervnc Operating systems & Components / Operating system package or component |
| Vendor | Slackware |
Security Bulletin
This security bulletin contains information about 13 vulnerabilities.
1) Buffer overflow
EUVDB-ID: #VU68415
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3550
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the _GetCountedString() function in xkb/xkb.c. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.
Update the affected package tigervnc.
Vulnerable software versionsSlackware Linux: 15.0
tigervnc: before 1.13.1
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.389029
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Memory leak
EUVDB-ID: #VU68416
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3551
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform DoS attack on the target system.
The vulnerability exists due memory leak within the ProcXkbGetKbdByName() function in xkb/xkb.c. A local user can force the application to leak memory and perform denial of service attack.
MitigationUpdate the affected package tigervnc.
Vulnerable software versionsSlackware Linux: 15.0
tigervnc: before 1.13.1
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.389029
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Memory leak
EUVDB-ID: #VU68417
Risk: Low
CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3553
CWE-ID:
CWE-401 - Missing release of memory after effective lifetime
Exploit availability: No
DescriptionThe vulnerability allows a local user to perform DoS attack on the target system.
The vulnerability exists due memory leak within the xquartz component in hw/xquartz/X11Controller.m. A local user can force the application to leak memory and perform denial of service attack.
MitigationUpdate the affected package tigervnc.
Vulnerable software versionsSlackware Linux: 15.0
tigervnc: before 1.13.1
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.389029
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Use-after-free
EUVDB-ID: #VU70438
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-4283
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
Update the affected package tigervnc.
Vulnerable software versionsSlackware Linux: 15.0
tigervnc: before 1.13.1
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.389029
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
5) Stack-based buffer overflow
EUVDB-ID: #VU70433
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-46340
CWE-ID:
CWE-121 - Stack-based buffer overflow
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error within the swap handler for the XTestFakeInput request of the XTest extension if GenericEvents with lengths larger than 32 bytes are sent through a the XTestFakeInput request. A local user can trigger a stack-based buffer overflow and execute arbitrary code with elevated privileges.
Update the affected package tigervnc.
Vulnerable software versionsSlackware Linux: 15.0
tigervnc: before 1.13.1
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.389029
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
6) Out-of-bounds read
EUVDB-ID: #VU70434
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-46341
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when handling XIPassiveUngrab requests. A local user can trigger an out-of-bounds read error and read contents of memory on the system.
MitigationUpdate the affected package tigervnc.
Vulnerable software versionsSlackware Linux: 15.0
tigervnc: before 1.13.1
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.389029
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
7) Use-after-free
EUVDB-ID: #VU70435
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-46342
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error when handling XvdiSelectVideoNotify requests. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Update the affected package tigervnc.
Vulnerable software versionsSlackware Linux: 15.0
tigervnc: before 1.13.1
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.389029
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
8) Use-after-free
EUVDB-ID: #VU70436
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-46343
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The
vulnerability exists due to a use-after-free error when handling
ScreenSaverSetAttributes requests. A local user can trigger a
use-after-free error and execute arbitrary code with elevated
privileges.
Update the affected package tigervnc.
Vulnerable software versionsSlackware Linux: 15.0
tigervnc: before 1.13.1
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.389029
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
9) Out-of-bounds read
EUVDB-ID: #VU70437
Risk: Low
CVSSv3.1: 2.9 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-46344
CWE-ID:
CWE-125 - Out-of-bounds read
Exploit availability: No
DescriptionThe vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when handling XIChangeProperty requests. A local user can trigger an out-of-bounds read error and read contents of memory on the system.
MitigationUpdate the affected package tigervnc.
Vulnerable software versionsSlackware Linux: 15.0
tigervnc: before 1.13.1
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.389029
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
10) Use-after-free
EUVDB-ID: #VU71991
Risk: Low
CVSSv3.1: 7.7 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-0494
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within DeepCopyPointerClasses. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Update the affected package tigervnc.
Vulnerable software versionsSlackware Linux: 15.0
tigervnc: before 1.13.1
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.389029
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
11) Use-after-free
EUVDB-ID: #VU74180
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-1393
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error when processing deletion of a compositor overlay window. A local user can trigger a use-after-free error and execute arbitrary code on the system.
Update the affected package tigervnc.
Vulnerable software versionsSlackware Linux: 15.0
tigervnc: before 1.13.1
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.389029
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
12) Out-of-bounds write
EUVDB-ID: #VU82380
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-5367
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
Description The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a boundary error in IChangeDeviceProperty/RRChangeOutputProperty. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.
Update the affected package tigervnc.
Vulnerable software versionsSlackware Linux: 15.0
tigervnc: before 1.13.1
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.389029
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
13) Use-after-free
EUVDB-ID: #VU82381
Risk: Low
CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-5380
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error in DestroyWindow. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.
Update the affected package tigervnc.
Vulnerable software versionsSlackware Linux: 15.0
tigervnc: before 1.13.1
External linkshttp://www.slackware.com/security/viewer.php?l=slackware-security&y=2023&m=slackware-security.389029
Q & A
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
