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A use-after-free vulnerability introduced in glibc upstream version 2.14 was found in the way the tilde expansion was carried out. Directory paths containing an initial tilde followed by a valid username were affected by this issue. A local attacker could exploit this flaw by creating a specially crafted path that when processed by the glob function would potentially lead to arbitrary code execution. This was fixed in version 2.32.

🗓️ 18 Aug 2020 07:00:00Reported by MicrosoftType 
mscve
 mscve🔗 msrc.microsoft.com👁 1 Views

Use-after-free in tilde expansion of glibc allowed local attackers to craft paths; glob processing could trigger code execution; fixed in two thirty two.

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microsoftcm1_glibc_2.28-12Range<2.28-12

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18 Aug 2020 07:00Current
7High risk
Vulners AI Score7
CVSS 23.7
CVSS 3.17
EPSS0.00149
tilde expansionuse after freeglob processingarbitrary code executionlocal attackerpath craftinggnu library vulnerability
1