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Debian LTS: Security Advisory for pjproject (DLA-2962-1)
The remote host is missing an update for the 'pjproject' package(s) announced via the DLA-2962-1 advisory.
Multiple security issues were discovered in pjproject, is a free and open source multimedia communication library. CVE-2021-32686 A race condition between callback and destroy, due to the accepted socket having no group lock. Second, the SSL socket parent/listener may get destroyed during handshake. s. They cause crash, resulting in a denial of service. CVE-2021-37706 An incoming STUN message contains an ERROR-CODE attribute, the header length is not checked before performing a subtraction operation, potentially resulting in an integer underflow scenario. This issue affects all users that use STUN. A malicious actor located within the victim's network may forge and send a specially crafted UDP (STUN) message that could remotely execute arbitrary code on the victim's machine CVE-2021-41141 In various parts of PJSIP, when error/failure occurs, it is found that the function returns without releasing the currently held locks. This could result in a system deadlock, which cause a denial of service for the users. CVE-2021-43299 Stack overflow in PJSUA API when calling pjsua_player_create. An attacker-controlled 'filename' argument may cause a buffer overflow since it is copied to a fixed-size stack buffer without any size validation. CVE-2021-43300 Stack overflow in PJSUA API when calling pjsua_recorder_create. An attacker-controlled 'filename' argument may cause a buffer overflow since it is copied to a fixed-size stack buffer without any size validation. CVE-2021-43301 Stack overflow in PJSUA API when calling pjsua_playlist_create. An attacker-controlled 'file_names' argument may cause a buffer overflow since it is copied to a fixed-size stack buffer without any size validation. CVE-2021-43302 Read out-of-bounds in PJSUA API when calling pjsua_recorder_create. An attacker-controlled 'filename' argument may cause an out-of-bounds read when the filename is shorter than 4 characters. CVE-2021-43303 Buffer overflow in PJSUA API when calling pjsua_call_dump. An attacker-controlled 'buffer' argument may cause a buffer overflow, since supplying an output buffer smaller than 128 characters may overflow the output buffer, regardless of the 'maxlen' argument supplied CVE-2021-43804 An incoming RTCP BYE message contains a reason's length, this declared length is not checked against the actual received packet size, potentially resulting in an out-of-bound read access. A malicious actor can send a RTCP BYE message with an invalid reason length CVE-2021-43845 if incoming RTCP XR message contain block, the data field is not checked against the received packet size, potentially ... Description truncated. Please see the references for more information.
'pjproject' package(s) on Debian Linux.
Checks if a vulnerable package version is present on the target host.
For Debian 9 stretch, these problems have been fixed in version 2.5.5~dfsg-6+deb9u3. We recommend that you upgrade your pjproject packages.
Common Vulnerabilities and Exposures (CVE)
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