Gentoo update for Mozilla Network Security Service (NSS)
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2017-5461 CVE-2017-5462 |
| CWE-ID | CWE-787 CWE-200 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Gentoo dev-libs/nss Operating systems & Components / Operating system package or component |
| Vendor | Gentoo |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Out-of-bounds write
EUVDB-ID: #VU6316
Risk: High
CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2017-5461
CWE-ID:
CWE-787 - Out-of-bounds write
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error during Base64 decoding operation in the Network Security Services (NSS) library. A remote attacker can trigger out-of-bounds write and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
MitigationUpdate your dev-libs/nss library to version 3.29.5.
Vulnerable software versionsGentoo dev-libs/nss: 3.29.0 - 3.29.4
CPE2.3- cpe:2.3:o:gentoo:gentoo_dev-libs_nss:3.29.0:*:*:*:*:gentoo_linux:*:*
- cpe:2.3:o:gentoo:gentoo_dev-libs_nss:3.29.1:*:*:*:*:gentoo_linux:*:*
- cpe:2.3:o:gentoo:gentoo_dev-libs_nss:3.29.2:*:*:*:*:gentoo_linux:*:*
https://security.gentoo.org/glsa/201705-04
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Information disclosure
EUVDB-ID: #VU6339
Risk: Low
CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2017-5462
CWE-ID:
CWE-200 - Information exposure
Exploit availability: No
DescriptionA flaw in DRBG number generation within the Network Security Services (NSS) library where the internal state V does not correctly carry bits over. The NSS library has been updated to fix this issue to address this issue and Firefox has been updated with corresponding version of NSS.
MitigationUpdate your dev-libs/nss library to version 3.29.5.
Vulnerable software versionsGentoo dev-libs/nss: 3.29.0 - 3.29.4
CPE2.3- cpe:2.3:o:gentoo:gentoo_dev-libs_nss:3.29.0:*:*:*:*:gentoo_linux:*:*
- cpe:2.3:o:gentoo:gentoo_dev-libs_nss:3.29.1:*:*:*:*:gentoo_linux:*:*
- cpe:2.3:o:gentoo:gentoo_dev-libs_nss:3.29.2:*:*:*:*:gentoo_linux:*:*
https://security.gentoo.org/glsa/201705-04
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
