CVE-2007-3508
CVE-2007-3508 is a high-severity vulnerability in Gentoo Glibc with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.
Key facts
- Severity: High (CVSS 2.0 base score 7.2)
- EPSS exploit prediction: 0% (36th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-189
- Affected product: Gentoo Glibc
- Published:
- Last modified:
Description
Integer overflow in the process_envvars function in elf/rtld.c in glibc before 2.5-rc4 might allow local users to execute arbitrary code via a large LD_HWCAP_MASK environment variable value. NOTE: the glibc maintainers state that they do not believe that this issue is exploitable for code execution
Frequently asked questions
- What is CVE-2007-3508?
- Integer overflow in the process_envvars function in elf/rtld.c in glibc before 2.5-rc4 might allow local users to execute arbitrary code via a large LD_HWCAP_MASK environment variable value. NOTE: the glibc maintainers state that they do not believe that this issue is exploitable for code execution
- How severe is CVE-2007-3508?
- CVE-2007-3508 has a CVSS 2.0 base score of 7.2, rated high severity.
- Is CVE-2007-3508 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2007-3508?
- CVE-2007-3508 affects Gentoo Glibc. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2007-3508?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2007-3508 published?
- CVE-2007-3508 was published on 2007-07-03 and last updated on 2026-06-16.
References
- http://bugs.gentoo.org/show_bug.cgi?id=183844
- http://osvdb.org/37901
- http://secunia.com/advisories/25864
- http://security.gentoo.org/glsa/glsa-200707-04.xml
- http://sources.gentoo.org/viewcvs.py/gentoo/src/patchsets/glibc/2.5/1600_all_glibc-hwcap-mask-secure.patch?rev=1.1&view=markup
- http://www.securityfocus.com/bid/24758
- http://www.securitytracker.com/id?1018334
- http://www.sourceware.org/ml/libc-hacker/2007-07/msg00001.html
- http://www.vupen.com/english/advisories/2007/2418
- https://exchange.xforce.ibmcloud.com/vulnerabilities/35240
Affected products (1)
- cpe:2.3:a:gentoo:glibc:*:r3:*:*:*:*:*:*
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